Difference between revisions of "TGM Versus Mode Guide"

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[[Category:Guides]]
== History ==
== History ==
[[Ichiro Mihara]] was first inspired to create a Tetris game after watching a Japanese game show where contestants would compete in Tetris. The versus mechanics of the game used by the show did not look very interesting and he thought he could do much better. After [[Arika]] developed a prototype and shared it with the show's producers, they flatly rejected it on the grounds that "it was too complicated, Tetris should be an elegant and approachable game." This feedback then inspired Mihara to instead develop the streamlined and elegant [[Tetris The Grand Master (series)|TGM series]]. While the original prototype versus game has never been shared publically, the core ideas were reused for the TGM series' versus mode. Because of this unique heritage, TGM has a rich and exciting (if complicated) versus system despite primarily being a simple and polished single player game.
[[Image:Downtown no Gottsu Ee Kanji.jpg|thumb|right|A scene from ''Downtown no Gottsu Ee Kanji'' episode 206.<ref>https://www.youtube.com/watch?v=Mhw87tCPASY</ref>]]
[[Ichiro Mihara]] was inspired to create a Tetris game after watching the Japanese variety show ''Downtown no Gottsu Ee Kanji''<ref>https://en.wikipedia.org/wiki/Downtown_no_Gottsu_Ee_Kanji</ref> (ダウンタウンのごっつええ感じ, roughly "Downtown's Feeling Real Good"). Contestants would sometimes compete in the game [[Super Tetris 3]]. The versus mechanics of this game are pretty basic, and Mihara thought he could make something better. [[Arika]] then developed a prototype Tetris game featuring items, PaRappa the Rapper-like characters, and flashy effects. After being shown this game, the show's producers rejected it on the grounds that "it was too complicated, Tetris should be an elegant and approachable game." However, as luck would have it, before a revised prototype could be made the show was cancelled. 6 months later, this feedback still on his mind, Mihara was inspired to develop a minimalist Tetris arcade game that became the [[Tetris The Grand Master (series)|TGM series]]. While the original prototype versus game has never been shared with the public, the core versus mechanics were reused for the TGM series' versus mode. Because of this unique heritage, TGM has a rich and exciting (if complicated) versus system despite primarily being a simple and polished single player game.


== Overview ==
== Overview ==
Line 16: Line 18:
* stacking in a way minimizes the damage your opponent's item will cause
* stacking in a way minimizes the damage your opponent's item will cause


In order to keep games relatively short, there is a time limit of 2 minutes and 40 seconds per round as well as a level limit of 200. Most rounds end in a player dying, though reaching the level cap first will also secure a victory. If the time runs out, the win goes to the player with the highest level count. In the unlikely event of simultaneous death, simultaneously hitting the level cap, or having tied levels when time runs out, the round will end in a draw which is effectively treated like a win for both players giving them each a point for the round. The winner of a set is the first to win 2 rounds. In the unlikely event that a draw awards the winning point to both players, the defending player (the one who was playing a credit before a challenger came) will be declared the winner. The time limit/level cap and number of rounds may be modified in the service menu.
In order to keep games relatively short, there is a time limit of 2 minutes and 40 seconds per round as well as a level goal of 200. Up to 3 rounds in a "first to 2" format. The time limit/level goal and number of rounds may be modified in the service menu. There are 3 possible win conditions:
* you kill your opponent
* you reach the level goal first
* the time runs out and you are closest to the level goal
 
In the event of a tie, there is a defending player advantage (ie. to the player who was playing before a challenger came). If the players reach the level goal on the same frame, the defending player is declared the winner. If they are tied for levels when the timer runs out, the defending player is declared the winner. If both players die on the same frame, a draw is declared and both players get a point. However if this provides the winning point to both players, the defending player will be declared winner of the set.


== Tactical Garbage ==
== Tactical Garbage ==
Line 76: Line 83:


=== Garbage Efficiency ===
=== Garbage Efficiency ===
The strategy for maximizing the amount of garbage you send per piece is relatively simple. You should avoid singles, even while [[downstacking]], as much as possible. If you do take a single, it should be when you have an uncomfortable position and it really helps you to [[downstack]] more efficiently.
The strategy for maximizing the amount of garbage you send per piece is relatively simple. You should avoid singles, even while [[downstacking]], as much as possible. There is an exception to the no-singles rule. The line clear that activates an item does not send garbage. To keep garbage efficiency as high as possible, the best strategy is to activate items with singles. If you do take a larger line clear while activating an item, it should be because you either really need it for [[downstacking]] or that the timing of the item activation is tactically powerful. See the item section and sniping for some opportunities.


There is an exception to the no-singles rule. The line clear that activates an item does not send garbage. To keep garbage efficiency as high as possible, the best strategy is to activate items with singles. If you do take a larger line clear while activating an item, it should be because you either really need it for [[downstacking]] or that the timing of the item activation is tactically powerful. See the item section and sniping for some opportunities.
Situationally, there are exceptions where you might want to trade garbage efficiency for something even better. Examples of high value singles could include:
* Opening up access to an easy garbage patterns.
* Letting you transition into a mix up.
* Digging through a difficult [[downstack]].


=== Mix Ups ===
=== Mix Ups ===
There is no specific bonus for a [[Tetris]] or [[T-spin]]. They are all equally efficient in terms of sending garbage lines. Despite the slow line clear animation, it is generally favorable to clear doubles, while mixing up the columns as much as possible. The extra inconvenience to your opponent in [[downstacking]] more than makes up for the line clear animations you suffer. The reason doubles are preferred over other line clears is that you can do more mix ups per unit of material on the screen. Given 6 lines of material, 3 doubles can mix up over 3 different locations whereas 2 triples can only mix up over 2 locations.
There is no specific bonus for a [[Tetris]], [[T-spin]], or [[combo]]. They are all equally efficient in terms of sending garbage lines. Despite the slow line clear animation, it is generally favorable to clear doubles, while mixing up the columns as much as possible. The extra inconvenience to your opponent in [[downstacking]] more than makes up for the line clear animations you suffer. The reason doubles are preferred over other line clears is that you can do more mix ups per unit of material on the screen. Given 6 lines of material, 3 doubles can mix up over 3 different locations whereas 2 triples can only mix up over 2 locations.


Consider the trivial hole from a Tetris:
Consider the trivial hole from a Tetris:
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|}
|}


If you neglect to activate an item for 20 pieces so that the meter fills again and another item spawns, it is possible to have more than one item block on your screen. However the moment you activate an item all other item blocks on your screen will turn into regular blocks. This includes items blocks that which appear in your [[next piece]] preview but which have not yet spawned. Therefore, if you want to spike item activations, you should activate the first item when the meter is 19/20 pieces full. Note that since the item meter does not charge while an attack item is active, you will place several pieces before you can complete the last charge of the meter.
If you neglect to activate an item for 20 pieces so that the meter fills again and another item spawns, it is possible to have more than one item block on your screen. In the case where there are multiple item blocks in the same line clear, the highest item mino in the clear is the one that is activated. If there are several items in this same highest row, the rightmost will be activated. Note that the moment you activate an item all other item blocks on your screen will turn into regular blocks. This includes items blocks that which appear in your [[next piece]] preview but which have not yet spawned. Therefore, if you want to spike item activations, you should activate the first item when the meter is 19/20 pieces full. Note that since the item meter does not charge while an attack item is active, you will place several pieces before you can complete the last charge of the meter and send a second attack.


In [[TGM3]], there is another way to lose an item: when you [[Hold]] an item block, it will turn into an ordinary piece.
In [[TGM3]], there is another way to lose an item: when you [[Hold]] an item block, it will turn into an ordinary piece.
Line 1,293: Line 1,303:
Z.........
Z.........
ZJ.ISS....
ZJ.ISS....
ZJIIISS...
JJGGGGG...
GGGG.GGGGG
GGGG.GGGGG
GGGG..GGGG
GGGG..GGGG
Line 1,302: Line 1,314:
|<playfield>
|<playfield>
.........2
.........2
..........
..........
..........
..........
..........
..........
Line 1,832: Line 1,846:
|}
|}


The Transform item makes it so that when you rotate a piece, it randomly transforms into one of the 7 piece types. It is only affected by rotations that happen during [[Active Time]]. This means that if the defending players reacts quickly enough, they can [[IRS]] the piece to access 3 of the 4 possible piece orientations. An opponent caught off guard may waste a lot of time switching through different pieces until they get a reasonable match, but for a strong player it won't even slow them down.
The Transform item makes it so that when you rotate a piece, it randomly transforms into one of the 7 piece types. It is only affected by rotations that happen during [[Active Time]], meaning that '''[[IRS]] rotations will not transform the piece'''. This gives you access to 3 of the 4 possible piece orientations. An opponent caught off guard may waste a lot of time switching through different pieces until they get a reasonable match, but for a strong player it won't even slow them down.


It should be noted that as you switch through the random pieces the rotation state is preserved. This means S, Z, and O pieces (with 2, 2, and 1 visible rotation states respectively) actually have a full 4 rotation states. How the different pieces line up with each other as they transform can be seen by looking at the columns of the basic rotation table below.
It should be noted that as you switch through the random pieces the rotation state is preserved. This means S, Z, and O pieces (with 2, 2, and 1 visible rotation states respectively) actually have a full 4 rotation states. How the different pieces line up with each other as they transform can be seen by looking at the columns of the basic rotation table below.
Line 1,845: Line 1,859:
For a piece rotating freely in the air that logic does not matter, but on the ground or against a wall there are some emergent patterns from this system.
For a piece rotating freely in the air that logic does not matter, but on the ground or against a wall there are some emergent patterns from this system.


It is possible to '''force an I piece''' transform in low gravity. Since the original piece must be able to rotate for anything to happen, and a vertical I piece against a wall cannot rotate, then [[DAS]]'ing a piece to the wall and repeatedly triggering transforms will eventually get the piece stuck as an I piece unable to transform further. Every 2 rotations there is a 1/7 chance of it becoming an I piece. If you [[piano roll]] CBA quickly 4 times, it will cycle through vertical rotation states 6 times and be expected to successfully transform into an I piece ~60% of the time. After mashing CBA 8 times this increases to an 84% success rate.
It is possible to '''force an I piece''' transform in low gravity. Since the original piece must be able to rotate for anything to happen, and a vertical I piece against a wall cannot rotate, then [[DAS]]'ing a piece to the wall and repeatedly triggering transforms will eventually get the piece stuck as an I piece unable to transform further. Every 2 rotations there is a 1/7 chance of it becoming a vertical I piece. If you [[piano roll]] CBA quickly 4 times, it will cycle through vertical rotation states 6 times and be expected to successfully transform into an I piece ~60% of the time. After mashing CBA 8 times this increases to an 84% success rate.


{|
{|
Line 1,924: Line 1,938:
</playfield>
</playfield>
|}
|}
After [[DAS]]'ing to the wall, the player began mashing CBA. After the first third rotation, the piece has transformed into a vertical I piece and all subsequent rotations have no effect. They can repeat this process on the next piece to apply some serious pressure to their opponent.
After [[DAS]]'ing to the wall, the player began mashing CBA. After the first third rotation, the piece has transformed into a vertical I piece and all subsequent rotations have no effect. They can repeat this process on the next piece to get a second Tetris, applying some serious pressure to their opponent.


There are also a couple [[wallkick|wallkicks]] which are '''100% guaranteed not to transform''' the piece. Consider this L kick:
There are also a couple [[wallkick|wallkicks]] which are '''100% guaranteed not to transform''' the piece. Consider this L kick:
Line 2,204: Line 2,218:
For 3 pieces, the Mirror Block attack will flip the player's screen horizontally. The flipping animation takes time, making this an item that slows down an opponent more than the usual attack item.
For 3 pieces, the Mirror Block attack will flip the player's screen horizontally. The flipping animation takes time, making this an item that slows down an opponent more than the usual attack item.


One thing to be aware of is that the item gives the player access to some easy mix ups. With each screen flip, the holes get moved around, giving the potential for 3 easy mix ups if line clears are available. In the worst case, 1 mix up is guaranteed since there are an odd numbers of flips.
One thing to be aware of is that the item gives the player access to some easy mix ups, especially in [[TGM+ mode]]. With each screen flip, the holes get moved around, giving the potential for 3 easy mix ups if line clears are available. In the worst case, 1 mix up is guaranteed since there are an odd numbers of flips.
 
There are some unusual corner cases with this item. There is a bug where row 21 does not get mirrored. Another unusual situation is that if the defending player gets a [[perfect clear]], the attack will end immediately.


=== Roll Roll ===
=== Roll Roll ===
Line 2,210: Line 2,226:
{| style="border-spacing: 2px; border: 1px solid darkgray;"
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
|- style="text-align: center; font-size: 175%;"
| [[File:item_roll_roll_text.png]]
| style="width: 84px;" | [[File:item_roll_roll_text.png]]
| [[File:item_roll_roll_mino.png|64px]]
| style="width: 84px;" | [[File:item_roll_roll_mino.png|64px]]
| style="width: 75px;" | '''150'''
| style="width: 84px;" | '''150'''
| [[File:item_roll_roll_cut-in.gif]]
| style="width: 84px;" | [[File:item_roll_roll_cut-in.gif]]
|- style="text-align: center;"
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
| Text || Mino || Weight || Cut-in
|}
|}


For 3 pieces, the Roll Roll will turn pieces grey and make them automatic counter-clockwise rotations every 30 frames. It is not unusual for even experienced players to slow down significantly to avoid a [[misdrop]], and at high speeds it is very likely to cause some damage.
For 3 pieces, the Roll Roll will turn pieces grey and make them automatically rotate counter-clockwise every 30 frames. The first rotation happens right after the piece spawns. It is not unusual for even experienced players to slow down significantly to avoid a [[misdrop]], and at high speeds it is very likely to cause some damage. Mastering Roll Roll is especially difficult for L, J, and T where there are 4 rotation states. As a memory guide, you can think that Roll Roll will always "send the nub to the right".


Mitigation of the attack involves making adjustments to account for the automatic rotations. Depending on the placement's piece orientation and how fast you expect to place it, a different adjustment is required. A fast placement is one where you will place the piece within 30-59 frames of active time, and a slow placement is one where you will place the piece within 60-89 frames of active time.
{|
|<playfield>
.....
.....
.LLL.
.L...
.....
</playfield>
|<playfield>
.....
.....
.JJJ.
...J.
.....
</playfield>
|<playfield>
.....
.....
.III.
..I..
.....
</playfield>
|}
{|
|<playfield>
.....
..L..
..L..
..LL.
.....
</playfield>
|<playfield>
.....
..JJ.
..J..
..J..
.....
</playfield>
|<playfield>
.....
..I..
..II.
..I..
.....
</playfield>
|}
 
Roll Roll is significantly easier when you avoid all clockwise rotations. If you want to place a piece in the clockwise orientation, then instead of rotating clockwise you need 3 counter-clockwise rotations. If you are really fast (0-29 frames) you could place it with A, C, and 1 automatic rotation. If you are slower (30-59 frames) this will over rotate and you should instead do A and 2 automatic rotations. You should be avoiding the slowest placements, but slower still (60-89 frames) you should wait for 3 automatic rotations.
 
You will need to judge how fast your placement is, and which rotation adjustment is required for that speed. The table below contains all the simplest placements that can be made reasonably fast.


{| class="wikitable"
{| class="wikitable"
Line 2,244: Line 2,309:
|}
|}


=== X-Ray ===
Note above that there are a few exceptions where the simplest input sequence involves a single clockwise rotation.
 
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_x-ray_text.png]]
| style="width: 84px;" | [[File:item_x-ray_mino.png|64px]]
| style="width: 84px;" | '''150'''
| style="width: 84px;" | [[File:item_x-ray_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}


Despite the name X-Ray, this item operates more like a radar scanner. The defending player's screen will go dark, and it will be illuminated one column at a time from left to right.
The only other time you might want a clockwise rotation is if you need it do to a spin. For example, a clockwise [[t-spin]] would be particularly difficult. It is recommended that the second last rotation be an automatic one, so that you have the most time to execute the spin. See below for an example, with automatic rotations indicated by a circle.


While slightly more disruptive than Color Block, the effect is still relatively minor and is unlikely to significantly delay your opponent.
This setup is slow, requiring a double tap to get into position. This means there are 2 automatic rotations before the T is in the correct column. The natural instinct would be to do a clockwise rotation to set up the spin.
 
{|
=== 180° Field ===
|<playfield>
 
....I.....
{| style="border-spacing: 2px; border: 1px solid darkgray;"
....CI....
|- style="text-align: center; font-size: 175%;"
....I.....
| style="width: 84px;" | [[File:item_180_field_text.png]]
..........
| style="width: 84px;" | [[File:item_180_field_mino.png|64px]]
.G........
| style="width: 84px;" | '''100'''
GG........
| style="width: 84px;" | [[File:item_180_field_cut-in.gif]]
G...GGGGGG
|- style="text-align: center;"
GG.GGGGGGG
| Text || Mino || Weight || Cut-in
GGGGGGGGG.
|}
</playfield>
 
This item flips the field over, taking the top non-empty row and swapping it with the bottom row etc. There are opportunities for both attacking and defending players to screenwatch to control the damage. If this item is timed too late when sniping a piece, you can bury your opponent's item block which can be almost as good.
 
Here an attacking player did not attempt to maximize damage. They activated the 180° Field immediately, sniping the defending player's I piece.
{|
|<playfield>
|<playfield>
Z.........
..I.......
Z.........
.ICI......
Z.........
..........
Z.........
..........
..........
-.........
.G........
-.........
GG........
-.........
G...GGGGGG
-G...GGG..
GG.GGGGGGG
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
..I.......
..II......
..I.......
..........
..........
.G........
GG........
G...GGGGGG
GG.GGGGGGG
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
..........
..........
.G........
..........
GGI.......
..........
G.IIGGGGGG
.G...GGG..
GGIGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
Line 2,305: Line 2,364:
..........
..........
..........
..........
.G........
GG........
GIIIGGGGGG
GGIGGGGGGG
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
..........
.G........
GGI.......
G.CIGGGGGG
GGIGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
.G...GGG..
</playfield>
</playfield>
|}
The resulting damage is very minor.
Here the attacking player read the likely vertical I piece placement, and waited for the defending player to place the piece.
{|
|<playfield>
|<playfield>
Z.........
Z.........
Z.........
Z.........
..........
..........
-.........
-.........
-.........
-G...GGG..
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
.G........
..........
GGI.......
Z.........
G.IIGGGGGG
Z.........
----------
Z.........
ZG...GGG..
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
Line 2,347: Line 2,398:
..........
..........
..........
..........
.G........
GGI.......
G.IIGGGGGG
GGGGGGGGG.
GGGGGGGGG.
ZG...GGG..
Z.........
Z.........
Z.........
</playfield>
</playfield>
|}
|}
The resulting damage is much more severe.
The clockwise rotation in the setup used too much time, and after the spin was performed an automatic rotation happened as the piece locked into place.


The attacking player should be extra careful: There are also many positions where a defending player would happily accept a 180° Field. In particular note, that the flipping of the screen is guaranteed to open up access to the garbage and it will also convert the most difficult garbage patterns into much easier patterns. This opens up an opportunity for the defending player to damage spike the attacking player.
Instead of 1 clockwise rotation you can do 3 counter-clockwise rotations. The player could have performed 2 counter-clockwise rotations manually (with A C) and let the automatic rotation do the final setup.
 
{|
Here the player is [[upstacking]] so that they can [[downstack]] with a double. They are at least a few pieces away from doing this.
{|
|<playfield>
|<playfield>
....I.....
....CI....
....I.....
..........
..........
.G........
GG........
G...GGGGGG
GG.GGGGGGG
GGGGGGGGG.
</playfield>
|<playfield>
..I.......
.ICI......
..........
..........
..........
..........
.G.....GGG
.G........
.GGGGGGGGG
GG........
G...GGGGGG
GG.GGGGGGG
GGGGGGGGG.
</playfield>
|<playfield>
..I.......
.II.......
..I.......
..........
.G........
GG........
G...GGGGGG
GG.GGGGGGG
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|<playfield>
..........
.III......
..I.......
..........
.G........
GG........
G...GGGGGG
GG.GGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGG.GGGGG
</playfield>
GGG...GGGG
|<playfield>
..I.......
..CI......
..I.......
..........
.G........
GG........
G...GGGGGG
GG.GGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
</playfield>
</playfield>
|<playfield>
|<playfield>
Line 2,377: Line 2,467:
..........
..........
..........
..........
GGGGGGGG..
..........
.G........
GGI.......
G.IIGGGGGG
GGIGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGG...GGGG
GGGG.GGGGG
GGGGGGGGG.
GGGGGGGGG.
.GGGGGGGGG
.G.....GGG
</playfield>
</playfield>
|}
They now have immediate access to clear doubles, and the holes are much simpler.
The correct play for the attacking player in these situations is to delay the activation of the 180° Field, at least until the defending player already has access a doubles clear. If this double is not a column mix up, you may even want to let them clear it before activating the item and giving them access to a free mix up.
=== Death Block ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_death_block_text.png]]
| style="width: 84px;" | [[File:item_death_block_mino.png|64px]]
| style="width: 84px;" | '''50'''
| style="width: 84px;" | [[File:item_death_block_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item makes the defending player's next piece extra large, just like in [[Big Mode]]. You can maximize your damage by selecting a particularly inconvenient piece. The best choice is a piece that forces your opponent to [[overstack]], allowing you to apply pressure while they are prevented from [[downstacking]].
Here the attacker was not screenwatching and activated the item immediately. The defending player opts to put the big I block horizontal.
{|
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
ZZZZZZZZ..
..........
ZZZZZZZZ..
.G........
G.GGG...G.
GG........
GGGGGGGGG.
GIIIGGGGGG
GGIGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
........OO
........OO
..........
ZZZZZZZZ--
ZZZZZZZZ--
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
ZZZZZZZZOO
ZZZZZZZZOO
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
.G........
GG........
----------
----------
----------
----------
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
Line 2,453: Line 2,502:
..........
..........
..........
..........
G.GGG...G.
..........
GGGGGGGGG.
.G........
GG........
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|}
|}
The next piece was an O block. The resulting double fully nullifies the Death Block attack and even sends garbage back to the attacker.
Now there was a lot of time to execute the spin, and the [[t-spin]] was successful.
 
=== X-Ray ===


Here the attacker was screenwatching and chose not to activate the Death Block on the I piece. Instead they sniped it and activated Death Block on the following O block.
{| style="border-spacing: 2px; border: 1px solid darkgray;"
{|
|- style="text-align: center; font-size: 175%;"
|<playfield>
| style="width: 84px;" | [[File:item_x-ray_text.png]]
.........Z
| style="width: 84px;" | [[File:item_x-ray_mino.png|64px]]
.........Z
| style="width: 84px;" | '''150'''
.........Z
| style="width: 84px;" | [[File:item_x-ray_cut-in.gif]]
.........Z
|- style="text-align: center;"
.........-
| Text || Mino || Weight || Cut-in
G.GGG...G-
GGGGGGGGG-
GGGGGGGGG-
</playfield>
|<playfield>
..........
..........
..........
..........
..........
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|<playfield>
..........
OOOO......
OOOO......
OOOO......
OOOO......
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|}
|}


In general, a big I piece is quite easy to clear and a big O piece will force 4 rows of [[overstacking]]. Even with a smooth 4-wide surface for the O block, 4 rows of [[upstacking]] are quite a lot of pressure. S, Z, L, J, and T pieces can situationally be effective but the defending player's stack shape could give them some good options. To build intuition on which big piece are inconvenient on a certain stack, you should practice [[Big Mode]].
Despite the name X-Ray, this item operates more like a radar scanner. The defending player's screen will go dark, and it will be illuminated one column at a time from left to right.
 
While slightly more disruptive than Color Block, the effect is still relatively minor and is unlikely to significantly delay your opponent.


=== Hard Block ===
=== 180° Field ===


{| style="border-spacing: 2px; border: 1px solid darkgray;"
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_hard_block_text.png]]
| style="width: 84px;" | [[File:item_180_field_text.png]]
| style="width: 84px;" | [[File:item_hard_block_mino.png|64px]]
| style="width: 84px;" | [[File:item_180_field_mino.png|64px]]
| style="width: 84px;" | '''50'''
| style="width: 84px;" | '''100'''
| style="width: 84px;" | [[File:item_hard_block_cut-in.gif]]
| style="width: 84px;" | [[File:item_180_field_cut-in.gif]]
|- style="text-align: center;"
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
| Text || Mino || Weight || Cut-in
|}
|}


This attack will encase the defending player's next piece in a hard metallic shell. Lines cleared will break the shell, revealing the original block underneath. Any lines which break the shell do not count as lines for the purposes of sending garbage. This means that in addition to causing holes, Hard Block will also hurt [[garbage efficiency]]. Attacking players cannot particularly amplify the damage with screenwatching, though you may want to consider delaying activation if it would make an I piece the Hard Block, particularly if there is a good horizontal placement for it. Also watch out for ↑ Del Field which will effectively cancel the Hard Block attack.
This item flips the field over, taking the top non-empty row and swapping it with the bottom row etc. There are opportunities for both attacking and defending players to screenwatch to control the damage. If this item is timed too late when sniping a piece, you can bury your opponent's item block which can be almost as good.


How you stack the Hard Block is very important. You will suffer less damage with placements that occupy fewer rows.
Here an attacking player did not attempt to maximize damage. They activated the 180° Field immediately, sniping the defending player's I piece.
 
Here a player treats the Hard Block like any other block.
{|
{|
|<playfield>
|<playfield>
Z.........
Z.........
Z.........
Z.........
..........
..........
..G.GG....
-.........
GGGGGG....
-.........
GGGGGGGG..
-.........
GGGGGGGGG.
-G...GGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..G.GG....
..........
GGGGGG....
..........
GGGGGGGG..
..........
GGGGGGGGGH
..........
GGGGGGGGGH
..........
GGGGGGGGGH
..........
GGGGGGGGGH
..........
.G...GGG..
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..G.GG....
GGGGGG....
GGGGGGGG..
---------Z
---------Z
---------Z
---------Z
</playfield>
|<playfield>
..........
..........
..G.GG....
..........
GGGGGG....
..........
GGGGGGGG..
..........
.........Z
..........
.........Z
..........
.........Z
..........
.........Z
GGGGGGGGG.
.G...GGG..
</playfield>
</playfield>
|}
|}
They clear lots of material while sending 0 lines of garbage. At the same time, they have not made any progress [[downstacking]] and have made a huge hole.
The resulting damage is very minor.


Here the player tries to minimize the damage by placing the I piece horizontally, even though this covers their Tetris hole.
Here the attacking player read the likely vertical I piece placement, and waited for the defending player to place the piece.
{|
{|
|<playfield>
|<playfield>
Z.........
Z.........
Z.........
Z.........
..........
..........
..G.GG....
-.........
GGGGGG....
-.........
GGGGGGGG..
-.........
GGGGGGGGG.
-G...GGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..G.GG....
..........
GGGGGGHHHH
..........
GGGGGGGG..
..........
GGGGGGGGG.
..........
GGGGGGGGG.
Z.........
GGGGGGGGG.
Z.........
Z.........
ZG...GGG..
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..G.GG....
..........
------ZZZZ
..........
GGGGGGGG..
..........
GGGGGGGGG.
..........
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
ZG...GGG..
Z.........
Z.........
Z.........
</playfield>
</playfield>
|}
The resulting damage is much more severe.
The attacking player should be extra careful: There are also many positions where a defending player would happily accept a 180° Field. In particular note, that the flipping of the screen is guaranteed to open up access to the garbage and it will also convert the most difficult garbage patterns into much easier patterns. This opens up an opportunity for the defending player to damage spike the attacking player.
Here the player is [[upstacking]] so that they can [[downstack]] with a double. They are at least a few pieces away from doing this.
{|
|<playfield>
|<playfield>
..........
..........
..G.GG....
..........
......ZZZZ
..........
GGGGGGGG..
.G.....GGG
GGGGGGGGG.
.GGGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGG.GGGGG
GGG...GGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
.IGJGG....
..........
IIIJJJZZZZ
..........
GGGGGGGG..
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGG...GGGG
GGGG.GGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.GGGGGGGGG
.G.....GGG
</playfield>
</playfield>
|}
They now have immediate access to clear doubles, and the holes are much simpler.
The correct play for the attacking player in these situations is to delay the activation of the 180° Field, at least until the defending player already has access a doubles clear. If this double is not a column mix up, you may even want to let them clear it before activating the item and giving them access to a free mix up.
=== Death Block ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_death_block_text.png]]
| style="width: 84px;" | [[File:item_death_block_mino.png|64px]]
| style="width: 84px;" | '''50'''
| style="width: 84px;" | [[File:item_death_block_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item makes the defending player's next piece extra large, just like in [[Big Mode]]. You can maximize your damage by selecting a particularly inconvenient piece. The best choice is a piece that forces your opponent to [[overstack]], allowing you to apply pressure while they are prevented from [[downstacking]].
Here the attacker was not screenwatching and activated the item immediately. The defending player opts to put the big I block horizontal.
{|
|<playfield>
|<playfield>
..........
..........
.IGJGG....
..........
----------
..........
GGGGGGGG..
ZZZZZZZZ..
GGGGGGGGG.
ZZZZZZZZ..
GGGGGGGGG.
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
........OO
........OO
..........
..........
..........
ZZZZZZZZ--
.IGJGG....
ZZZZZZZZ--
GGGGGGGG..
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
ZZZZZZZZOO
ZZZZZZZZOO
G.GGG...G.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|}
The Hard Block still hurt [[garbage efficiency]] by forcing 2 singles, in the end this is dramatically better than the alternative.
Another mistake to avoid is partially clearing the Hard Block, filling in the hole, and then clearing more of the Hard Block.
{|
|<playfield>
|<playfield>
..........
..........
.....GGGG.
.....GGGG.
..GGGGGGGG
.GGGGGGGHH
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
.....GGGG.
..........
.S...GGGG.
----------
SSGGGGGGGG
----------
SGGGGGGGHH
G.GGG...G.
.GGGGGGGHH
GGGGGGGGG.
GGGGGG.GGG
GGGGGGGGG.
GGGGG..GGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
.....GGGG.
.S...GGGG.
----------
--------OO
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
..........
..........
.....GGGG.
..........
.S...GGGG.
..........
........OO
G.GGG...G.
.GGGGGGGHH
GGGGGGGGG.
GGGGGG.GGG
GGGGGGGGG.
GGGGG..GGG
</playfield>
</playfield>
|}
The next piece was an O block. The resulting double fully nullifies the Death Block attack and even sends garbage back to the attacker.
Here the attacker was screenwatching and chose not to activate the Death Block on the I piece. Instead they sniped it and activated Death Block on the following O block.
{|
|<playfield>
|<playfield>
..........
.........Z
..........
.........Z
.....GGGG.
.........Z
.S..JGGGG.
.........Z
....JJJ.OO
.........-
.GGGGGGGHH
G.GGG...G-
GGGGGG.GGG
GGGGGGGGG-
GGGGG..GGG
GGGGGGGGG-
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
Z....GGGG.
ZS..JGGGG.
Z...JJJ.OO
ZGGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
..........
..........
Z....GGGG.
..........
ZS..JGGGG.
G.GGG...G.
Z...JJJ.OO
GGGGGGGGG.
--------OO
GGGGGGGGG.
GGGGGG.GGG
GGGGG..GGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
OOOO......
Z....GGGG.
OOOO......
ZS..JGGGG.
OOOO......
Z...JJJ.OO
OOOO......
........OO
G.GGG...G.
GGGGGG.GGG
GGGGGGGGG.
GGGGG..GGG
GGGGGGGGG.
</playfield>
</playfield>
|}
|}
This board is now in a really difficult position, despite picking placements that feel very reasonable had there been no Hard Block.


By contrast, consider what happens when the Hard Block is fully cleared at once.
In general, a big I piece is quite easy to clear and a big O piece will force 4 rows of [[overstacking]]. Even with a smooth 4-wide surface for the O block, 4 rows of [[upstacking]] are quite a lot of pressure. S, Z, L, J, and T pieces can situationally be effective but the defending player's stack shape could give them some good options. To build intuition on which big piece are inconvenient on a certain stack, you should practice [[Big Mode]].
{|
 
|<playfield>
=== Hard Block ===
..........
 
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_hard_block_text.png]]
| style="width: 84px;" | [[File:item_hard_block_mino.png|64px]]
| style="width: 84px;" | '''50'''
| style="width: 84px;" | [[File:item_hard_block_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
 
This attack will encase the defending player's next piece in a hard metallic shell. Lines cleared will break the shell, revealing the original block underneath. '''Any lines which break the shell do not count as lines for the purposes of sending garbage.''' This means that in addition to causing holes, Hard Block will also hurt [[garbage efficiency]]. Attacking players cannot particularly amplify the damage with screenwatching, though you may want to consider delaying activation if it would make an I piece the Hard Block, particularly if there is a good horizontal placement for it. You should watch out for ↑ Del Field which will effectively cancel the Hard Block attack. Note also that line clears from Free Fall will clear any Hard Block minos as if they were normal blocks, completely ignoring their shell.
 
How you stack the Hard Block is very important. You will suffer less damage with placements that occupy fewer rows.
 
Here a player treats the Hard Block like any other block.
{|
|<playfield>
..........
..........
.....GGGG.
..G.GG....
.....GGGG.
GGGGGG....
..GGGGGGGG
GGGGGGGG..
.GGGGGGGHH
GGGGGGGGG.
.GGGGGGGHH
GGGGGGGGG.
GGGGGG.GGG
GGGGGGGGG.
GGGGG..GGG
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
.....S....
..........
....SS....
..G.GG....
....SGGGG.
GGGGGG....
.....GGGG.
GGGGGGGG..
..GGGGGGGG
GGGGGGGGGH
.GGGGGGGHH
GGGGGGGGGH
.GGGGGGGHH
GGGGGGGGGH
GGGGGG.GGG
GGGGGGGGGH
GGGGG..GGG
</playfield>
</playfield>
|<playfield>
|<playfield>
.....S....
..........
....SS....
..G.GG....
....SGGGG.
GGGGGG....
.....GGGG.
GGGGGGGG..
JJGGGGGGGG
---------Z
JGGGGGGGHH
---------Z
JGGGGGGGHH
---------Z
GGGGGG.GGG
---------Z
GGGGG..GGG
</playfield>
|<playfield>
.....S....
....SS....
....SGGGG.
.....GGGG.
----------
--------OO
--------OO
GGGGGG.GGG
GGGGG..GGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
.....S....
..G.GG....
....SS....
GGGGGG....
....SGGGG.
GGGGGGGG..
.....GGGG.
.........Z
........OO
.........Z
........OO
.........Z
GGGGGG.GGG
.........Z
GGGGG..GGG
</playfield>
</playfield>
|}
They clear lots of material while sending 0 lines of garbage. At the same time, they have not made any progress [[downstacking]] and have made a huge hole.
Here the player tries to minimize the damage by placing the I piece horizontally, even though this covers their Tetris hole.
{|
|<playfield>
|<playfield>
..........
..........
.....S...Z
..G.GG....
....SS...Z
GGGGGG....
....SGGGGZ
GGGGGGGG..
.....GGGGZ
GGGGGGGGG.
........OO
GGGGGGGGG.
........OO
GGGGGGGGG.
GGGGGG.GGG
GGGGGGGGG.
GGGGG..GGG
</playfield>
|<playfield>
..........
..G.GG....
GGGGGGHHHH
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|}
The board is still uncomfortable, but there is greater hope of returning to a strong position without needing to ruin [[garbage efficiency]] or do [[upstacking]].
=== Dark Block ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_dark_block_text.png]]
| style="width: 84px;" | [[File:item_dark_block_mino.png|64px]]
| style="width: 84px;" | '''5'''
| style="width: 84px;" | [[File:item_dark_block_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This is the ultimate form of the cosmetic attacks. The defending player's stack will disappear similar to the [[m-roll]] of [[Master Mode]]. While more effective than Color Block or X-ray, it is unlikely to cause serious damage against a strong player. It's most effective against a complicated stack shape that will be difficult to remember, however it's probably not going to be worth screenwatching in an attempt to wait for a screen to become unmemorable. Players generally stack pretty flat in VS anyways, so you could be waiting forever.
=== Shotgun! ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_shotgun!_text.png]]
| style="width: 84px;" | [[File:item_shotgun!_mino.png|64px]]
| style="width: 84px;" | '''5'''
| style="width: 84px;" | [[File:item_shotgun!_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item is completely overpowered, but is so rare you are unlikely to see it much in practice. Every row gets one random column selected (1 through 10, pure random), and the location is cleared of blocks. The random column selection is not limited to filled spaces, so if the randomly selected space happens to be empty no damage will be received in that row.
Here severe damage is demonstrated even on a reasonably low stack/
{|
|<playfield>
|<playfield>
..........
..........
..........
..G.GG....
..G..GGG..
------ZZZZ
.GGGGGGG..
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.GGGGGGGGG
..GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..G.GG....
..G..GGG..
......ZZZZ
.GGGGG.G..
GGGGGGGG..
GGGGGGG.G.
GGGGGGGGG.
GG.GGGGGG.
GGGGGGGGG.
.GGGGG.GGG
GGGGGGGGG.
..GGGGGGGG
GGGGGGGGG.
</playfield>
</playfield>
|}
Note that rows 1 and 6 did not receive holes. Empty spaces were randomly selected in those cases.
=== Nega Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_nega_field_text.png]]
| style="width: 84px;" | [[File:item_nega_field_mino.png|64px]]
| style="width: 84px;" | '''1'''
| style="width: 84px;" | [[File:item_nega_field_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item is even more overpowered than Shotgun!, but is also even rarer. For every row up to the highest populated row, every cell with a block changes to a hole and ever cell with a hole changes to a block.
Here severe damage is demonstrated even on a reasonably low stack.
{|
|<playfield>
|<playfield>
..........
..........
..........
.IGJGG....
..G..GGG..
IIIJJJZZZZ
.GGGGGGG..
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.GGGGGGGGG
GGGGGGGGG.
..GGGGGGGG
GGGGGGGGG.
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
.IGJGG....
----------
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
GG.GG...GG
..........
G.......GG
.IGJGG....
.........G
GGGGGGGG..
.........G
GGGGGGGGG.
G.........
GGGGGGGGG.
GG........
GGGGGGGGG.
GGGGGGGGG.
</playfield>
</playfield>
|}
|}
Note that it stopped at row 6. In weird cases where you have some blocks floating above completely empty rows, those empty rows will be converted to lines.<ref>https://www.youtube.com/watch?v=PWzr4j-eT6Y</ref>
The Hard Block still hurt [[garbage efficiency]] by forcing 2 singles, in the end this is dramatically better than the alternative.


== Defensive Items ==
Another mistake to avoid is partially clearing the Hard Block, filling in the hole, and then clearing more of the Hard Block.
=== ↑ Del Field ===
{|
 
|<playfield>
{| style="border-spacing: 2px; border: 1px solid darkgray;"
..........
|- style="text-align: center; font-size: 175%;"
.....GGGG.
| style="width: 84px;" | [[File:item_up_del_field_text.png]]
.....GGGG.
| style="width: 84px;" | [[File:item_up_del_field_mino.png|64px]]
..GGGGGGGG
| style="width: 84px;" | '''250'''
.GGGGGGGHH
|- style="text-align: center;"
.GGGGGGGHH
| Text || Mino || Weight
GGGGGG.GGG
|}
GGGGG..GGG
 
</playfield>
This item will delete the top half of your board (rounded up). It's very useful for getting rid of a Hard Block or Death Block attack.
 
If you're winning and want to continue applying pressure, you may want to avoid losing material to ↑ Del Field. In this case it's possible to spike your stack to avoid this.
{|
|<playfield>
|<playfield>
..........
..........
.....GGGG.
.S...GGGG.
SSGGGGGGGG
SGGGGGGGHH
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
.....GGGG.
.S...GGGG.
----------
--------OO
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
..........
..........
.....GGGG.
.S...GGGG.
........OO
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
..........
..........
.....GGGG.
.S..JGGGG.
....JJJ.OO
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
..........
..........
..........
Z....GGGG.
..........
ZS..JGGGG.
DDDD......
Z...JJJ.OO
GGGGGGGG..
ZGGGGGGGHH
GGGGGGGGG.
GGGGGG.GGG
G.GGGGGGGG
GGGGG..GGG
G.GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
Z....GGGG.
....S.....
ZS..JGGGG.
...SS.....
Z...JJJ.OO
...S......
--------OO
...LL.....
GGGGGG.GGG
....L.....
GGGGG..GGG
....L.....
....OO....
DDDDOO....
GGGGGGGG..
GGGGGGGGG.
G.GGGGGGGG
G.GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
Z....GGGG.
....S.....
ZS..JGGGG.
...SS.....
Z...JJJ.OO
...S......
........OO
...LL.....
GGGGGG.GGG
....L.....
GGGGG..GGG
....L.....
....OO....
DDDDOOZZZZ
GGGGGGGG..
GGGGGGGGG.
G.GGGGGGGG
G.GGGGGGGG
</playfield>
</playfield>
|}
This board is now in a really difficult position, despite picking placements that feel very reasonable had there been no Hard Block.
By contrast, consider what happens when the Hard Block is fully cleared at once.
{|
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
.....GGGG.
....S.....
.....GGGG.
...SS.....
..GGGGGGGG
...S......
.GGGGGGGHH
...LL.....
.GGGGGGGHH
....L.....
GGGGGG.GGG
....L.....
GGGGG..GGG
....OO....
</playfield>
----------
|<playfield>
GGGGGGGG..
.....S....
GGGGGGGGG.
....SS....
G.GGGGGGGG
....SGGGG.
G.GGGGGGGG
.....GGGG.
..GGGGGGGG
.GGGGGGGHH
.GGGGGGGHH
GGGGGG.GGG
GGGGG..GGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
.....S....
..........
....SS....
..........
....SGGGG.
..........
.....GGGG.
....S.....
JJGGGGGGGG
...SS.....
JGGGGGGGHH
...S......
JGGGGGGGHH
...LL.....
GGGGGG.GGG
....L.....
GGGGG..GGG
....L.....
....OO....
GGGGGGGG..
GGGGGGGGG.
G.GGGGGGGG
G.GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
.....S....
..........
....SS....
..........
....SGGGG.
..........
.....GGGG.
----------
----------
----------
--------OO
----------
--------OO
----------
GGGGGG.GGG
----------
GGGGG..GGG
----------
....OO....
GGGGGGGG..
GGGGGGGGG.
G.GGGGGGGG
G.GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
.....S....
....SS....
....SGGGG.
.....GGGG.
........OO
........OO
GGGGGG.GGG
GGGGG..GGG
</playfield>
|<playfield>
..........
..........
..........
.....S...Z
..........
....SS...Z
..........
....SGGGGZ
..........
.....GGGGZ
..........
........OO
..........
........OO
..........
GGGGGG.GGG
..........
GGGGG..GGG
....OO....
GGGGGGGG..
GGGGGGGGG.
G.GGGGGGGG
G.GGGGGGGG
</playfield>
</playfield>
|}
|}
The player can now send reasonably send 2 doubles to apply a killing blow to their opponent.
The board is still uncomfortable, but there is greater hope of returning to a strong position without needing to ruin [[garbage efficiency]] or do [[upstacking]].
 
=== Dark Block ===
 
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_dark_block_text.png]]
| style="width: 84px;" | [[File:item_dark_block_mino.png|64px]]
| style="width: 84px;" | '''5'''
| style="width: 84px;" | [[File:item_dark_block_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}


Unless you are clearly winning, it is recommended that you save this item as long as possible to maximize your value out of it. The longer you save it, the more garbage your opponent can send you only to be cancelled.
This is the ultimate form of the cosmetic attacks. The defending player's stack will disappear similar to the [[m-roll]] of [[Master Mode]]. While more effective than Color Block or X-ray, it is unlikely to cause serious damage against a strong player. It's most effective against a complicated stack shape that will be difficult to remember, however it's probably not going to be worth screenwatching in an attempt to wait for a screen to become unmemorable. Players generally stack pretty flat in VS anyways, so you could be waiting forever.


=== Del Even ===
=== Shotgun! ===


{| style="border-spacing: 2px; border: 1px solid darkgray;"
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_del_even_text.png]]
| style="width: 84px;" | [[File:item_shotgun!_text.png]]
| style="width: 84px;" | [[File:item_del_even_mino.png|64px]]
| style="width: 84px;" | [[File:item_shotgun!_mino.png|64px]]
| style="width: 84px;" | '''150'''
| style="width: 84px;" | '''5'''
| style="width: 84px;" | [[File:item_shotgun!_cut-in.gif]]
|- style="text-align: center;"
|- style="text-align: center;"
| Text || Mino || Weight
| Text || Mino || Weight || Cut-in
|}
|}


This item will clear all even rows. Like most defensive items, you will maximize the value by delaying it's use as long as possible or until you really need it.
This item is completely overpowered, but is so rare you are unlikely to see it much in practice. Every row gets one random column selected (1 through 10, pure random), and the location is cleared of blocks. The random column selection is not limited to filled spaces, so if the randomly selected space happens to be empty no damage will be received in that row.


If your garbage is focused in a few columns, it will tend to simplify it.
Here severe damage is demonstrated even on a reasonably low stack/
{|
{|
|<playfield>
|<playfield>
...GGG....
..........
GGGGGGGGDD
..........
GGGGGGGGDD
..G..GGG..
.GGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.GGGGGGGGG
GGGGGGGGG.
..GGGGGGGG
GGGGGGGG..
</playfield>
|<playfield>
...GGG....
----------
----------
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
...GGG....
..G..GGG..
GGGGGGGGG.
.GGGGG.G..
GGGGGGGG..
GGGGGGG.G.
GGGGGGGGG.
GG.GGGGGG.
GGGGGGGGG.
.GGGGG.GGG
GGGGGGGGG.
..GGGGGGGG
GGGGGGGG..
</playfield>
|<playfield>
..........
..........
...GGG....
----------
GGGGGGGG..
----------
GGGGGGGGG.
----------
GGGGGGGG..
</playfield>
</playfield>
|}
Note that rows 1 and 6 did not receive holes. Empty spaces were randomly selected in those cases.
=== Nega Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_nega_field_text.png]]
| style="width: 84px;" | [[File:item_nega_field_mino.png|64px]]
| style="width: 84px;" | '''1'''
| style="width: 84px;" | [[File:item_nega_field_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item is even more overpowered than Shotgun!, but is also even rarer. For every row up to the highest populated row, every cell with a block changes to a hole and ever cell with a hole changes to a block.
Here severe damage is demonstrated even on a reasonably low stack.
{|
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
..G..GGG..
..........
.GGGGGGG..
..........
GGGGGGGGG.
...GGG....
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
.GGGGGGGGG
..GGGGGGGG
</playfield>
</playfield>
|}
If your garbage has a lot of double mix ups, you will have an awkward collection of single holes and downstacking will be difficult without hurting [[garbage efficiency]].
{|
|<playfield>
|<playfield>
...GGG....
..........
GGGGGGGGDD
..........
GGGGGGGGDD
GG.GG...GG
GGGGGGGGG.
G.......GG
GGGGGGGG..
.........G
GGGG.GGGGG
.........G
GGGG.GGGGG
G.........
.GGGGGGGGG
GG........
..GGGGGGGG
</playfield>
|<playfield>
...GGG....
----------
----------
GGGGGGGGG.
GGGGGGGG..
GGGG.GGGGG
GGGG.GGGGG
.GGGGGGGGG
..GGGGGGGG
</playfield>
</playfield>
|}
Note that it stopped at row 6. In weird cases where you have some blocks floating above completely empty rows, those empty rows will be converted to lines.<ref>https://www.youtube.com/watch?v=PWzr4j-eT6Y</ref>
== Defensive Items ==
=== ↑ Del Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_up_del_field_text.png]]
| style="width: 84px;" | [[File:item_up_del_field_mino.png|64px]]
| style="width: 84px;" | '''250'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item will delete the top half of your board (rounded up). It's very useful for getting rid of a Hard Block or Death Block attack.
If you're winning and want to continue applying pressure, you may want to avoid losing material to ↑ Del Field. In this case it's possible to spike your stack to avoid this.
{|
|<playfield>
|<playfield>
..........
..........
..........
..........
...GGG....
..........
..........
..........
..........
..........
..........
..........
..........
DDDD......
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
G.GGGGGGGG
GGGG.GGGGG
G.GGGGGGGG
GGGG.GGGGG
.GGGGGGGGG
..GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
...GGG....
..........
----------
....S.....
...SS.....
...S......
...LL.....
....L.....
....L.....
....OO....
DDDDOO....
GGGGGGGG..
GGGGGGGG..
----------
GGGGGGGGG.
GGGG.GGGGG
G.GGGGGGGG
----------
G.GGGGGGGG
..GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
Line 3,142: Line 3,200:
..........
..........
..........
..........
..........
....S.....
..........
...SS.....
...GGG....
...S......
...LL.....
....L.....
....L.....
....OO....
DDDDOOZZZZ
GGGGGGGG..
GGGGGGGG..
GGGG.GGGGG
GGGGGGGGG.
..GGGGGGGG
G.GGGGGGGG
G.GGGGGGGG
</playfield>
</playfield>
|}
=== ↓ Del Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_down_del_field_text.png]]
| style="width: 84px;" | [[File:item_down_del_field_mino.png|64px]]
| style="width: 84px;" | '''100'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item will delete the top half of your board (rounded up). If you want to maximize the effect of ↓ Del Field, you may want to spike your stack.
Here a player immediately activates the item.
{|
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
....S.....
..........
...SS.....
..GGGGGG..
...S......
GGGGGGGGG.
...LL.....
GGGGGGGGG.
....L.....
GGG.GGGGGG
....L.....
GG...GGGGG
....OO....
GGGGGGG.GG
----------
GGGGGG..GG
GGGGGGGG..
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
G.GGGGGGGG
GGGGG.GGGG
G.GGGGGGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
Line 3,193: Line 3,235:
..........
..........
..........
..........
..........
....S.....
..GGGGGGDD
...SS.....
GGGGGGGGGD
...S......
GGGGGGGGGD
...LL.....
GGG.GGGGGG
....L.....
GG...GGGGG
....L.....
GGGGGGG.GG
....OO....
GGGGGG..GG
GGGGGGGG..
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
G.GGGGGGGG
GGGGG.GGGG
G.GGGGGGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
Line 3,215: Line 3,252:
..........
..........
..........
..........
..........
..GGGGGGLL
----------
----------
----------
----------
GGG.GGGGGG
----------
GG...GGGGG
----------
GGGGGGG.GG
----------
GGGGGG..GG
----------
..GGGGGGGG
....OO....
..GGGGGGGG
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
G.GGGGGGGG
GGGGG.GGGG
G.GGGGGGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
Line 3,240: Line 3,272:
..........
..........
..........
..........
..GGGGGGLL
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
....OO....
..........
GGGGGGGG..
..........
GGGGGGGGG.
..........
G.GGGGGGGG
..GGGGGGLL
G.GGGGGGGG
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
----------
----------
----------
----------
----------
----------
----------
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..GGGGGGLL
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
</playfield>
</playfield>
|}
|}
Notice how 3 separate garbage mix ups are still on screen.
The player can now send reasonably send 2 doubles to apply a killing blow to their opponent.


Here a player spikes to amplify the item effect.
Unless you are clearly winning, it is recommended that you save this item as long as possible to maximize your value out of it. The longer you save it, the more garbage your opponent can send you only to be cancelled.
 
=== Del Even ===
 
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_del_even_text.png]]
| style="width: 84px;" | [[File:item_del_even_mino.png|64px]]
| style="width: 84px;" | '''150'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
 
This item will clear all even rows. Like most defensive items, you will maximize the value by delaying it's use as long as possible or until you really need it.
 
If your garbage is focused in a few columns, it will tend to simplify it.
{|
{|
|<playfield>
|<playfield>
..........
...GGG....
..........
GGGGGGGGDD
..........
GGGGGGGGDD
..........
GGGGGGGGG.
..........
GGGGGGGG..
..GGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
...GGG....
..........
----------
..........
----------
D.........
GGGGGGGGG.
D.........
GGGGGGGG..
DDGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
I.........
..........
II........
..........
I.........
...GGG....
D.........
GGGGGGGGG.
D.........
GGGGGGGG..
DDGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
I.........
..........
II........
..........
I.........
...GGG....
D.........
----------
D......SS.
DDGGGGGGSS
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
I.........
II........
I.........
L.........
L......SS.
----------
----------
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
----------
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
I.........
II........
I.........
L.........
L......SS.
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
----------
----------
----------
----------
----------
----------
----------
----------
----------
----------
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
..........
..........
...GGG....
..........
GGGGGGGG..
..........
..........
..........
..........
..........
I.........
II........
I.........
L.........
L......SS.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGG.GGGGGG
GG...GGGGG
</playfield>
</playfield>
|}
|}
Notice how only 1 double's worth of garbage is still on screen.
=== → Move Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_right_mov_field_text.png]]
| style="width: 84px;" | [[File:item_right_mov_field_mino.png|64px]]
| style="width: 84px;" | '''50'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item moves all the blocks to the right, leaving the hole on the left. It is a very powerful recovery and allows you to apply strong pressure against your opponent afterwards, though you won't be easily able to mix up.


If your garbage has a lot of double mix ups, you will have an awkward collection of single holes and downstacking will be difficult without hurting [[garbage efficiency]].
{|
{|
|<playfield>
|<playfield>
..........
...GGG....
..........
GGGGGGGGDD
..........
GGGGGGGGDD
..........
..........
..GGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGG.GGGGGG
GGGG.GGGGG
GG...GGGGG
GGGG.GGGGG
GGGGGGG.GG
.GGGGGGGGG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
..GGGGGGGG
</playfield>
|<playfield>
...GGG....
----------
----------
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGG.GGGGG
GGGGG.GGGG
GGGG.GGGGG
GG.GGGGGGG
.GGGGGGGGG
...GGGGGGG
..GGGGGGGG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
..........
...GGG....
..........
GGGGGGGGG.
..........
GGGGGGGG..
....GGGGGG
GGGG.GGGGG
.GGGGGGGGG
GGGG.GGGGG
.GGGGGGGGG
.GGGGGGGGG
...GGGGGGG
.GGGGGGGGG
.GGGGGGGGG
..GGGGGGGG
..GGGGGGGG
..GGGGGGGG
..GGGGGGGG
.GGGGGGGGG
..GGGGGGGG
.GGGGGGGGG
.GGGGGGGGG
.GGGGGGGGG
...GGGGGGG
</playfield>
</playfield>
|}
|<playfield>
 
..........
=== ← Move Field ===
..........
 
...GGG....
{| style="border-spacing: 2px; border: 1px solid darkgray;"
----------
|- style="text-align: center; font-size: 175%;"
GGGGGGGG..
| style="width: 84px;" | [[File:item_left_mov_field_text.png]]
----------
| style="width: 84px;" | [[File:item_left_mov_field_mino.png|64px]]
GGGG.GGGGG
| style="width: 84px;" | '''3'''
----------
|- style="text-align: center;"
..GGGGGGGG
| Text || Mino || Weight
</playfield>
|}
|<playfield>
 
..........
This item moves all the blocks to the left, leaving the hole on the right. Just like the more common → Move Field version, it is a very powerful recovery and allows you to apply strong pressure against your opponent afterwards, though you won't be easily able to mix up.
..........
 
..........
{|
..........
..........
...GGG....
GGGGGGGG..
GGGG.GGGGG
..GGGGGGGG
</playfield>
|}
 
=== ↓ Del Field ===
 
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_down_del_field_text.png]]
| style="width: 84px;" | [[File:item_down_del_field_mino.png|64px]]
| style="width: 84px;" | '''100'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
 
This item will delete the bottom half of your board (rounded up). If you want to maximize the effect of ↓ Del Field, you may want to spike your stack.
 
Here a player immediately activates the item.
{|
|<playfield>
|<playfield>
..........
..........
Line 3,562: Line 3,460:
..........
..........
..........
..........
GGGGGG....
..GGGGGGDD
GGGGGGGGG.
GGGGGGGGGD
GGGGGGGGG.
GGGGGGGGGD
GGGGGGGGG.
GGG.GGGGGG
GGGGGGG...
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGGGGG..
GGGGG.GGGG
GGGGGGGG..
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..GGGGGGLL
----------
----------
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGGGGGG.
GGGGG.GGGG
GGGGGGGGG.
GGGGG.GGGG
GGGGGGGGG.
GG.GGGGGGG
GGGGGGG...
...GGGGGGG
</playfield>
</playfield>
|}
== Neutral Items ==
=== Exchange Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_exchange_field_text.png]]
| style="width: 84px;" | [[File:item_exchange_field_mino.png|64px]]
| style="width: 84px;" | '''3'''
| style="width: 84px;" | [[File:item_exchg_field_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item swaps the 2 players' playfields. If the defending player has an item block on their field, it is converted into a normal piece rather than being stolen by the attacked. A safe option, if you are clearly losing, is to use the item before your opponent has time to react. Other situations are more complicated as detailed below.
The basic strategy, when your opponent isn't screenwatching, is to wreck your stack before you swap. If you do this, you should make sure to do it in a way that is unlikely to actually put you in immediate danger or risk cutting off access to the item clear.
{|
|<playfield>
|<playfield>
1.........
........OO
JJJ.....OO
T.J.......
TT........
.T........
.ZZZZ.....
...L......
...L..N...
GGGLLNNN--
GGGGGGGG--
GGGGGGGGG.
</playfield>
|<playfield>
.........2
..........
..........
..........
..........
Line 3,620: Line 3,506:
..........
..........
..........
..........
..........
..GGGGGGLL
....G.GG..
GGG.GGGGGG
...GGGGGG.
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
</playfield>
|}
Note that if the defending player is screenwatching, they also have the option to destroy their own stack in the same way.
These self-destructive strategies are not game theoretically stable. They only really work if one of the two players isn't reacting to the item. Otherwise, the recommended actions are:
{| class="wikitable"
|+ Exchange Field Action Map
|-
! Advantage !! Attacker Actions !! Defender Actions
|-
| Attacker || Hold off on the item and keep sending garbage. || Play normally until the advantage is neutral.
|-
| Neutral || Hold off on the item and keep sending garbage. || Maintain neutrality while still playing as fast as possible. Don't attack your opponent unless they attack you.
|-
| Defender || Activate the item immediately to take advantage.  || Destroy your own board position until the advantage is neutral.
|}
Note that both players should still be playing at their max speed. For example, if the attacker is stalling in the neutral stalemate the counterplay is for the defending player to quickly clear singles to maintain the neutral position while still advancing their level counter. This will allow the defending player to win by level count.
=== Free Fall ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_free_fall_text.png]]
| style="width: 84px;" | [[File:item_free_fall_mino.png|64px]]
| style="width: 84px;" | '''3'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item is similar to a Mov Field, except that it drops all blocks and then clears the resulting lines. The catch is that these lines send garbage to yourself. The garbage takes the form of a single Tetris hole, and the column is selected in a pure random way, with columns 1-10 all being equally likely.
This item is best activated after making an effort to balance the amount of material in as many columns as you can. This will maximize the probability that the Tetris hole will be immediately accessible.
{|
|<playfield>
|<playfield>
..........
..........
..G...G...
GGGGN.GGG.
GGGGNNGGG.
GGGGGNGGGG
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
..G...G...
..........
GGGGT.GGG.
..........
GGGGTTGGG.
..........
..........
..........
..GGGGGGLL
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
----------
----------
----------
----------
----------
----------
----------
----------
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
</playfield>
|<playfield>
|<playfield>
..........
..........
..........
..........
..G...G...
GGGGT.GGG.
GGGGTTGGG.
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
..........
..........
..G...G...
GGGGT.GGG.
GGGGTTGGG.
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
..G.......
.GGGT...G.
.GGGT.GGG.
GGGGGTGGGG
GGGGGGGGGG
GGGGGGGGGG
GGGGGGGGGG
</playfield>
|<playfield>
..........
..........
..G.......
.GGGT...G.
.GGGT.GGG.
----------
----------
----------
----------
</playfield>
|<playfield>
..........
..........
..........
..........
Line 3,730: Line 3,554:
..........
..........
..........
..........
..G.......
.GGGT...G.
.GGGT.GGG.
</playfield>
|<playfield>
..........
..........
..G.......
..........
.GGGT...G.
..........
.GGGT.GGG.
..GGGGGGLL
GG.GGGGGGG
GGG.GGGGGG
GG.GGGGGGG
GG...GGGGG
GG.GGGGGGG
GGGGGGG.GG
GG.GGGGGGG
GGGGGG..GG
..GGGGGGGG
</playfield>
</playfield>
|}
|}
Notice how 3 separate garbage mix ups are still on screen.
Here a player spikes to amplify the item effect.
{|
|<playfield>
..........
..........
..........
..........
..........
..GGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
..........
..........
..........
D.........
D.........
DDGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
I.........
II........
I.........
D.........
D.........
DDGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
I.........
II........
I.........
D.........
D......SS.
DDGGGGGGSS
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
I.........
II........
I.........
L.........
L......SS.
----------
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
..........
I.........
II........
I.........
L.........
L......SS.
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
----------
----------
----------
----------
----------
----------
----------
----------
----------
----------
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
I.........
II........
I.........
L.........
L......SS.
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
</playfield>
|}
Notice how only 1 double's worth of garbage is still on screen.
=== → Move Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_right_mov_field_text.png]]
| style="width: 84px;" | [[File:item_right_mov_field_mino.png|64px]]
| style="width: 84px;" | '''50'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item moves all the blocks to the right, leaving the hole on the left. It is a very powerful recovery and allows you to apply strong pressure against your opponent afterwards, though you won't be easily able to mix up.
{|
|<playfield>
..........
..........
..........
..........
..........
..GGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
..........
..........
..........
..........
..........
....GGGGGG
.GGGGGGGGG
.GGGGGGGGG
.GGGGGGGGG
...GGGGGGG
.GGGGGGGGG
..GGGGGGGG
..GGGGGGGG
..GGGGGGGG
.GGGGGGGGG
..GGGGGGGG
.GGGGGGGGG
.GGGGGGGGG
.GGGGGGGGG
...GGGGGGG
</playfield>
|}
=== ← Move Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_left_mov_field_text.png]]
| style="width: 84px;" | [[File:item_left_mov_field_mino.png|64px]]
| style="width: 84px;" | '''3'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item moves all the blocks to the left, leaving the hole on the right. Just like the more common → Move Field version, it is a very powerful recovery and allows you to apply strong pressure against your opponent afterwards, though you won't be easily able to mix up.
{|
|<playfield>
..........
..........
..........
..........
..........
..GGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGG.GGGGGG
GG...GGGGG
GGGGGGG.GG
GGGGGG..GG
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGG..
GGGGG.GGGG
GGGGG.GGGG
GG.GGGGGGG
...GGGGGGG
</playfield>
|<playfield>
..........
..........
..........
..........
..........
GGGGGG....
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGG...
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGGGGG..
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGG...
</playfield>
|}
== Neutral Items ==
=== Exchange Field ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_exchange_field_text.png]]
| style="width: 84px;" | [[File:item_exchange_field_mino.png|64px]]
| style="width: 84px;" | '''3'''
| style="width: 84px;" | [[File:item_exchg_field_cut-in.gif]]
|- style="text-align: center;"
| Text || Mino || Weight || Cut-in
|}
This item swaps the 2 players' playfields. A safe option, if you are clearly losing, is to use the item before your opponent has time to react. Other situations are more complicated as detailed below.
The basic strategy, when your opponent isn't screenwatching, is to wreck your stack before you swap. If you do this, you should make sure to do it in a way that is unlikely to actually put you in immediate danger or risk cutting off access to the item clear.
{|
|<playfield>
1.........
........OO
JJJ.....OO
T.J.......
TT........
.T........
.ZZZZ.....
...L......
...L..N...
GGGLLNNN--
GGGGGGGG--
GGGGGGGGG.
</playfield>
|<playfield>
.........2
..........
..........
..........
..........
..........
..........
..........
..........
....G.GG..
...GGGGGG.
..GGGGGGGG
</playfield>
|}
Note that if the defending player is screenwatching, they also have the option to destroy their own stack in the same way.
These self-destructive strategies are not game theoretically stable. They only really work if one of the two players isn't reacting to the item. Otherwise, the recommended actions are:
{| class="wikitable"
|+ Exchange Field Action Map
|-
! Advantage !! Attacker Actions !! Defender Actions
|-
| Attacker || Hold off on the item and keep sending garbage. || Play normally until the advantage is neutral.
|-
| Neutral || Hold off on the item and keep sending garbage. || Maintain neutrality while still playing as fast as possible. Don't attack your opponent unless they attack you.
|-
| Defender || Activate the item immediately to take advantage.  || Destroy your own board position until the advantage is neutral.
|}
Note that both players should still be playing at their max speed. For example, if the attacker is stalling in the neutral stalemate the counterplay is for the defending player to quickly clear singles to maintain the neutral position while still advancing their level counter. This will allow the defending player to win by level count.
After clearing the Exchange Field item, it will not go through until all currently active items are resolved. If you then stack up to near death as the currently active item resolves, '''it is possible to set up an unavoidable death.''' This is easiest to set up with items that last for exactly 3 pieces such as Roll Roll, Transform, and Mirror Block. With good timing you could also set it up with Color Block, X-Ray, or Dark Block. Defense item animations are too fast to let you stack up very much, but a Del Even might give you enough time if your screen is already high. If you try to set this up, be mindful that you can still receive garbage while you are stacking up. So you will want to leave buffer room to accommodate garbage, and spike into the spawn area with your last placement.
This player activates an Exchange Field right as their opponent attacks with Roll Roll.
{|
|<playfield>
..........
..........
.NN.......
.NN.......
....GGGG..
...GGGGGG.
G--GGGGGGG
G--GGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
....GGGG..
...GGGGGG.
----------
----------
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..III.....
...IGGGG..
...GGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
</playfield>
|<playfield>
..........
..........
..........
..........
....SS....
..IIISS...
...IGGGG..
...GGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
</playfield>
|<playfield>
....Z.....
....Z.....
....Z.....
....Z.....
....SS....
..IIISS...
...IGGGG..
...GGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
</playfield>
|}
In this case no garbage was received. But just in case, the player kept the screen low until the 3rd piece, which was spiked into the spawn area. Now this guaranteed-death will be sent to the opponent.
If the defending player has an item block on their field, the behavior is a little surprising. '''The defending player will "keep" the items on their screen''' (though those minos will still be sent to the attacker as normal blocks).
Here Player 1 is the defender and has several item blocks on screen, and Player 2 has just activated an Exchange Field.
{|
|<playfield>
1.........
..........
..........
..........
A.........
AAA.......
GGGGGGGGG.
GGGGGGGGG.
GGGGGDDGG.
GGGGGDDG..
G...GGGGGG
GG.GGGGGGG
</playfield>
|<playfield>
.........2
..........
..........
..........
..........
..........
..........
........GG
.....GGGGG
GGGGGG.GGG
GGGGGG.GGG
GGGGGG.GGG
</playfield>
|}
{|
|<playfield>
1.........
..........
..........
..........
A.........
AAA.......
..........
........GG
.....DDGGG
GGGGGDDGGG
GGGGGG.GGG
GGGGGG.GGG
</playfield>
|<playfield>
.........2
..........
..........
..........
G.........
GGG.......
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
G...GGGGGG
GG.GGGGGGG
</playfield>
|}
{|
|<playfield>
1.........
..........
..........
..........
A.........
AAA.....S.
.......SS.
.......SGG
.....GGGGG
----------
GGGGGG.GGG
GGGGGG.GGG
</playfield>
|<playfield>
.........2
..........
..........
..........
G.........
GGG.......
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
G...GGGGGG
GG.GGGGGGG
</playfield>
|}
Note that they kept their items, even though this caused a weird floating Attack item. Also, the Defend item completed a line, and that line didn't clear until the next piece was locked. Placing a Defense item in a location that fills in a line like that can help you recover from everything except a guaranteed lethal Exchange Field attack.
=== Free Fall ===
{| style="border-spacing: 2px; border: 1px solid darkgray;"
|- style="text-align: center; font-size: 175%;"
| style="width: 84px;" | [[File:item_free_fall_text.png]]
| style="width: 84px;" | [[File:item_free_fall_mino.png|64px]]
| style="width: 84px;" | '''3'''
|- style="text-align: center;"
| Text || Mino || Weight
|}
This item is similar to a Mov Field, except that it drops all blocks and then clears the resulting lines. Assuming this clears 2 or more lines, they will be sent as garbage to your opponent. The garbage takes the form of a single Tetris hole, and the column is selected in a pure random way, with columns 1-10 all being equally likely. Note that Free Fall can effectively neutralize a Hard Block attack: unintuitively any Hard Block minos cleared during a Free Fall will simply clear as if they were normal minos.
This item is best activated after making an effort to balance the amount of material in as many columns as you can. This will maximize the garbage spike, though do remember that the garbage buffer will only hold a maximum of 8 lines.
This player activated the time immediately.
{|
|<playfield>
..........
..........
..G...G...
GGGG..G...
GGGGNNG...
GGGGNNGGGG
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
..G...G...
GGGG..G...
GGGGOOG...
----------
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
..........
..G...G...
GGGG..G...
GGGGOOG...
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
..........
..G.......
.GGG......
.GGGO.G...
GGGGGOG.GG
GGGGGGGGGG
GGGGGGGGGG
GGGGGGGGGG
</playfield>
|<playfield>
..........
..........
..........
..G.......
.GGG......
.GGGO.G...
GGGGGOG.GG
----------
----------
----------
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..G.......
.GGG......
.GGGO.G...
GGGGGOG.GG
</playfield>
|}
The player sends 3 rows of garbage.
This player holds off on activating the item, taking care to stack higher over garbage hold columns.
{|
|<playfield>
..........
..........
..G...G...
GGGG..GNN.
GGGG..GNN.
GGGG..GGGG
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
.......L..
OO..IIIL.Z
OOG..IGLLZ
GGGG.SGNNZ
GGGGSSGNNZ
GGGGS.GGGG
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
.......L..
OO..IIIL.Z
OOG..IGLLZ
GGGG.SGOOZ
----------
GGGGS.GGGG
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
.......L..
OO..IIIL.Z
OOG..IGLLZ
GGGG.SGOOZ
GGGGS.GGGG
.GGGGGGGGG
.GGGGGGGGG
GGGGGG.GGG
GGGGG...GG
</playfield>
|<playfield>
..........
..........
.O.....L.Z
.OG...ILLZ
OGGGIIGLOZ
OGGGSIGOGG
GGGGGSGGGG
GGGGGGGGGG
GGGGGGGGGG
GGGGGGGGGG
</playfield>
|<playfield>
..........
..........
.O.....L.Z
.OG...ILLZ
----------
----------
----------
----------
----------
----------
</playfield>
|<playfield>
..........
..........
..........
..........
..........
..........
..........
..........
.O.....L.Z
.OG...ILLZ
</playfield>
|}
They send 6 rows of garbage.


This player had an imbalance in the material, and got unlucky with the random Tetris hole column.
== References ==
== References ==
<references />
{{Arika games}}

Latest revision as of 21:04, 16 June 2021

History

A scene from Downtown no Gottsu Ee Kanji episode 206.[1]

Ichiro Mihara was inspired to create a Tetris game after watching the Japanese variety show Downtown no Gottsu Ee Kanji[2] (ダウンタウンのごっつええ感じ, roughly "Downtown's Feeling Real Good"). Contestants would sometimes compete in the game Super Tetris 3. The versus mechanics of this game are pretty basic, and Mihara thought he could make something better. Arika then developed a prototype Tetris game featuring items, PaRappa the Rapper-like characters, and flashy effects. After being shown this game, the show's producers rejected it on the grounds that "it was too complicated, Tetris should be an elegant and approachable game." However, as luck would have it, before a revised prototype could be made the show was cancelled. 6 months later, this feedback still on his mind, Mihara was inspired to develop a minimalist Tetris arcade game that became the TGM series. While the original prototype versus game has never been shared with the public, the core versus mechanics were reused for the TGM series' versus mode. Because of this unique heritage, TGM has a rich and exciting (if complicated) versus system despite primarily being a simple and polished single player game.

Overview

The biggest distinguishing feature is the 100% deterministic tactical garbage system, which gives players full control over what garbage is sent to their opponent. Players receive identical piece sequences using the TGM randomizer, further reducing random factors.

It also features a large number of items, which come in attack, defense, and neutral varieties. In addition to item effects, attack items will also destroy an opponent's active piece, allowing deliberate piece sniping as a mechanic. The items, often criticized by new players as being overpowered and unfair, have a surprising amount of depth to them and their impact can be mitigated or amplified in the hands of an experienced player. While they do introduce a degree of randomness, there is a system to the randomness that makes it is more balanced than it may at first seem.

The pace of matches is slower than many popular versus Tetris games, due to ARE and a long line clear delay. Despite this, popular modes with 20G such as T.A. Death and Shirase are so difficult that players are at risk damaging their board just as much as their opponent is.

These elements combine to place a focus on dynamic interactions between players rather than a tug of war over raw speed. Screen reading is required for high level play, with important examples including:

  • sniping a valuable piece or item block
  • reading which columns your opponent is vulnerable to garbage in
  • reading where your opponent is about to send you garbage so you can keep those columns stacked low
  • timing item activation for maximum effect
  • stacking in a way minimizes the damage your opponent's item will cause

In order to keep games relatively short, there is a time limit of 2 minutes and 40 seconds per round as well as a level goal of 200. Up to 3 rounds in a "first to 2" format. The time limit/level goal and number of rounds may be modified in the service menu. There are 3 possible win conditions:

  • you kill your opponent
  • you reach the level goal first
  • the time runs out and you are closest to the level goal

In the event of a tie, there is a defending player advantage (ie. to the player who was playing before a challenger came). If the players reach the level goal on the same frame, the defending player is declared the winner. If they are tied for levels when the timer runs out, the defending player is declared the winner. If both players die on the same frame, a draw is declared and both players get a point. However if this provides the winning point to both players, the defending player will be declared winner of the set.

Tactical Garbage

Mechanics

Singles send no garbage. Line clears that activate items send no garbage. Everything else sends 100% deterministic garbage following simple rules: Take the line clear, erase the clearing piece, and send it vertically flipped to your opponent (compare Bloxeed which is similar but does not flip the garbage hole). To illustrate this, see how the line clears (left) create the final garbage pattern (right):

GGGGGGGGLL
GGGGGGGGGL
GGGGGGGGGL
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGJJJGGG
GGGGGGJGGG
GGGG...GGG
GGGGGG.GGG
GGGGGG.GGG
GGGG...GGG
GIIIGGGGGG
GGIGGGGGGG
G...GGGGGG
GG.GGGGGGG
GG.GGGGGGG
G...GGGGGG

Note that if your line clear results in a perfect clear, you will double your attack power by sending the same garbage pattern to your opponent twice. Since TGM does not use the 7-bag randomizer, perfect clear openers aren't a viable tactic and in general perfect clears almost never happen.

There is a limit to how much garbage can be queued up to attack your opponent. The first 8 lines will be sent, and anything beyond that will do nothing. This is extremely unlikely to occur unless your opponent is stalling at low gravity, or you do something ridiculous like combo into a Tetris perfect clear.

There is also a limit to how high your stack is. If garbage pushes your stack above row 21, anything that would otherwise have occupied rows 22+ is forgotten. If you manage to clear lines and lower your stack again you will find that these spaces are now empty.

Garbage Efficiency

The strategy for maximizing the amount of garbage you send per piece is relatively simple. You should avoid singles, even while downstacking, as much as possible. There is an exception to the no-singles rule. The line clear that activates an item does not send garbage. To keep garbage efficiency as high as possible, the best strategy is to activate items with singles. If you do take a larger line clear while activating an item, it should be because you either really need it for downstacking or that the timing of the item activation is tactically powerful. See the item section and sniping for some opportunities.

Situationally, there are exceptions where you might want to trade garbage efficiency for something even better. Examples of high value singles could include:

  • Opening up access to an easy garbage patterns.
  • Letting you transition into a mix up.
  • Digging through a difficult downstack.

Mix Ups

There is no specific bonus for a Tetris, T-spin, or combo. They are all equally efficient in terms of sending garbage lines. Despite the slow line clear animation, it is generally favorable to clear doubles, while mixing up the columns as much as possible. The extra inconvenience to your opponent in downstacking more than makes up for the line clear animations you suffer. The reason doubles are preferred over other line clears is that you can do more mix ups per unit of material on the screen. Given 6 lines of material, 3 doubles can mix up over 3 different locations whereas 2 triples can only mix up over 2 locations.

Consider the trivial hole from a Tetris:

1.........
.........Z
.........Z
.........Z
.........Z
GGGGGGG...
GGGGGGGG..
GGGGGGGG..
GGGGGGGGG-
GGGGGGGGG-
GGGGGGGGG-
GGGGGGGGG-
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
1.........
..........
..........
..........
..........
GGGGGGG...
GGGGGGGG..
GGGGGGGG..
----------
----------
----------
----------
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
1.........
..........
..........
..........
..........
..........
..........
..........
..........
GGGGGGG...
GGGGGGGG..
GGGGGGGG..
.........2
..........
..........
..........
..........
..........
..........
..........
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.

Now compare it to the damage dealt by 2 skim doubles:

1.........
........T.
........TT
.........T
..........
GGGGGGG...
GGGGGGGG-.
GGGGGGGG--
GGGGGGGGG-
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
1.........
..........
..........
..........
..........
GGGGGGG...
GGGGGGGGT.
----------
----------
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
1.........
..........
.......JJJ
.........J
..........
..........
..........
GGGGGGG---
GGGGGGGGT-
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
GGGGGGGGG.
GGGGGGGG..
1.........
..........
..........
..........
..........
..........
..........
----------
----------
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
GGGGGGGGG.
GGGGGGGG..
1.........
..........
..........
..........
..........
..........
..........
..........
..........
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.........2
..........
..........
..........
..........
..........
..........
..........
GGGGGGGGG.
GGGGGGGG..
GGGGGGGGG.
GGGGGGG...

The above illustrates the effect of a small mix up, spread over 3 nearby columns. More generally, if you can clear doubles in a faraway column, it will be even more powerful. It's worth making an effort to spread your doubles around as long as you don't sacrifice your board stability or too much speed. Mix ups are extremely improvisational, an intuitive sense for the opportunities is more effective than memorizing setups.

Tier List

The different possible clears and their corresponding garbage patterns have emergent value depending on their mix up potential and how annoying they are to deal with. Garbage patterns are better if they:

  • Allow you to do more mix-ups per line cleared.
  • Force your opponent to make multiple line clears to dig through them.
  • Force your opponent to upstack to maintain garbage efficiency, or else clear singles.
  • Force your opponent to avoid overstacking in as many columns as possible.

Other factors like causing a piece dependency, avoiding line clear delay to play faster, and damage spiking are less important.

S Tier

..........
..........
GGGGG.GGGG
GGGG...GGG
..........
..........
GGGGIIIGGG
GGGGGIGGGG

Note that while a T-spin is perfectly fine for this, it is not required. Simple T-doubles are just as effective.

Being a double, it has great mix up potential. It is also powerful because the hole shape needs at least 2 separate line clears to dig through, and both times the opponent will need to upstack if they want to maintain garbage efficiency by converting it into a double. The player must also be careful about overstacking in 3 columns.

A Tier

..........
..........
GGGGG.GGGG
GGGGG..GGG
..........
......S...
GGGGGSSGGG
GGGGGSGGGG
..........
.....I....
GGGGGIIGGG
GGGGGIGGGG
..........
GGGGGJJGGG
GGGGGJ.GGG
GGGGGJGGGG
..........
..........
GGGGG.GGGG
GGGG..GGGG
..........
....T.....
GGGGTTGGGG
GGGGGTGGGG
..........
.....I....
GGGGIIGGGG
GGGGGIGGGG
..........
GGGGLLGGGG
GGGG.LGGGG
GGGGGLGGGG

This garbage has most of the advantages of the T-double, with mix-up potential of doubles and a jagged shape requiring 2 clears both of which require upstacking to maintain garbage efficiency. Unlike with S-tier, your opponent only has to worry about overstacking in 2 columns.

B Tier

..........
GGGGG.GGGG
GGGGG.GGGG
GGGGG..GGG
..........
GGGGGJJGGG
GGGGGJGGGG
GGGGGJGGGG
..........
GGGGG.GGGG
GGGGG.GGGG
GGGG..GGGG
..........
GGGGLLGGGG
GGGGGLGGGG
GGGGGLGGGG

This garbage has most of the advantages of A-tier, but as a triple there is less opportunity for mix ups. The jagged shape still requires 2 line clears, but a double is directly available meaning that upstacking is only required in 1 of the 2 line clears to maintain garbage efficiency. Your opponent again only has to worry about overstacking in 2 columns.

C Tier

..........
..........
GGGG.GGGGG
GGGG...GGG
..........
..........
GGGGJJJGGG
GGGGJGGGGG
..........
..........
GGGGGG.GGG
GGGG...GGG
..........
..........
GGGGLLLGGG
GGGGGGLGGG

This garbage has the mix up potential of doubles, which is nice. This big drawback is that the hole shape can be filled with 1 line clear, using the L and J kicks shown below. These kicks also only require being mindful of overstacking in 2 columns.

GGGG..GGGG
GGGGJJGGGG
GGGGJGGGGG
GGGGJ..GGG
GGGG..GGGG
GGGG..GGGG
GGGGJGGGGG
GGGGJJJGGG
GGGGG..GGG
GGGGGLLGGG
GGGGGGLGGG
GGGG..LGGG
GGGGG..GGG
GGGGG..GGG
GGGGGGLGGG
GGGGLLLGGG

D Tier

..........
..........
GGGG...GGG
GGGG.GGGGG
..........
..........
GGGGJGGGGG
GGGGJJJGGG
..........
..........
GGGG...GGG
GGGGGG.GGG
..........
..........
GGGGGGLGGG
GGGGLLLGGG

While these clears are useful for mix-ups, the big drawback is that they can be cleaned up in 1 clear without upstacking. Their only saving grace is that they force your opponent to avoid overstacking in 3 columns.

E Tier

..........
..........
GGGG..GGGG
GGGG..GGGG
..........
..........
GGGGOOGGGG
GGGGOOGGGG
..........
..........
GGGGG.GGGG
GGGGG.GGGG
.....Z....
.....Z....
GGGGGZGGGG
GGGGGZGGGG
..........
....LL....
GGGGGLGGGG
GGGGGLGGGG
..........
.....JJ...
GGGGGJGGGG
GGGGGJGGGG

These holes can be handled in 1 line clear without upstacking, but this time they only need your opponent to be mindful of overstacking in 1 or 2 columns. Since it is weak in isolation, this garbage is best used as part of a mix up. Situationally, the O double can be decent in openers to disarm your opponent's Tetris hole. However, since good opponents will not go for a Tetris hole opening this counter has low value.

..........
..........
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG..
GGGGGGGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGGZ
GGGGGGGGGZ
GGGGGGGG.Z
GGGGGGGG.Z
GGGGGGGGG.
GGGGGGGGG.
----------
----------
GGGGGGGG.Z
GGGGGGGG.Z
..........
..........
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGG.Z
GGGGGGGG.Z

F Tier

GGGGG.GGGG
GGGGG.GGGG
GGGGG.GGGG
GGGGG.GGGG
GGGGGZGGGG
GGGGGZGGGG
GGGGGZGGGG
GGGGGZGGGG
..........
GGGGG.GGGG
GGGGG.GGGG
GGGGG.GGGG
.....Z....
GGGGGZGGGG
GGGGGZGGGG
GGGGGZGGGG

Unless you're clearing these to counter garbage that your opponent has sent you, these are clears you want to avoid at all costs. They are easily countered with 1 line clear and no upstacking, and only require avoiding overstacking in 1 column. If they have any place at all it is to apply pressure to an opponent who has so much other garbage that they are unlikely to ever open this hole, though a 180° field can potentially open this up to a counter.

Item System

At the start of each round you begin with an empty item meter in the center of the screen. With each piece that spawns on your screen, the meter will charge up slightly. After 20 pieces, the meter will be fully charged and the 21st piece will be a randomly selected item. Clearing a line which contains an item piece will activate the item's ability. The game will continue to cycle like this, 20 non-item pieces followed by an item piece, until the round ends. Note, however, that while you are attacking your opponent with an attack item, none of your piece spawns with charge your meter until the attack is completed.

Both players start each round with their own bag containing one of each item. Items are randomly drawn (according to their probability weighting) without replacement. On default settings with a level cap of 200 a player will empty less than half of their item bag, making some items extremely rarely seen. Before any items are dealt, the sum of the weights of the bag add up to 1970. So the probability of getting a Color Block as your first item is 250/1970, whereas getting a Nega Field is 250 times rarer. As the bag gets emptied of heavily weighted items, rare items become more probable. Most matches will open with relatively benign items, ramping up slowly with defense items more common in the mid game, and with the most overpowered items only making an appearance near the end of the 200 levels if at all.

TAP Item Summary
Item Name Type Weight Initial Probability
Color Block Attack 250 12.7%
Laser Attack 250 12.7%
Transform Attack 250 12.7%
↑ Del Field Defense 250 12.7%
Del Even Defense 150 7.6%
Mirror Block Attack 150 7.6%
Roll Roll Attack 150 7.6%
X-Ray Attack 150 7.6%
180° Field Attack 100 5.1%
↓ Del Field Defense 100 5.1%
Death Block Attack 50 2.5%
Hard Block Attack 50 2.5%
→ Mov Field Defense 50 2.5%
Dark Block Attack 5 0.3%
Shotgun! Attack 5 0.3%
Exchg Field Neutral 3 0.2%
Freefall Neutral 3 0.2%
← Mov Field Defense 3 0.2%
Nega Field Attack 1 <0.1%

If you neglect to activate an item for 20 pieces so that the meter fills again and another item spawns, it is possible to have more than one item block on your screen. In the case where there are multiple item blocks in the same line clear, the highest item mino in the clear is the one that is activated. If there are several items in this same highest row, the rightmost will be activated. Note that the moment you activate an item all other item blocks on your screen will turn into regular blocks. This includes items blocks that which appear in your next piece preview but which have not yet spawned. Therefore, if you want to spike item activations, you should activate the first item when the meter is 19/20 pieces full. Note that since the item meter does not charge while an attack item is active, you will place several pieces before you can complete the last charge of the meter and send a second attack.

In TGM3, there is another way to lose an item: when you Hold an item block, it will turn into an ordinary piece.

Screen Reading

Harassment

If you screen read your opponent and notice they have stacked a particular column too high, you can harass them.

Player 1 has stacked high in column 1, whereas Player 2 has kept a flat stack to keep options open.

1.........
..........
..........
..........
..........
..........
Z.........
Z.........
Z.........
Z.........
OOJ...I...
OOJJJIII..
.........2
..........
..........
..........
..........
..........
..........
..........
..........
....I.JJ..
...IIIJOO.
..ZZZZJOO.

Player 2 can screen read and harass them by clearing lines in column 1.

1.........
..........
..........
..........
..........
..........
Z.........
Z..JJS....
Z..JSS....
Z..JSL....
OOJLLLI...
OOJJJIII..
.........2
JJ........
J.........
J.........
..........
..........
..........
..........
..........
--S.I.JJLL
-SSIIIJOOL
-SZZZZJOOL
1.........
..........
..........
..........
..........
..........
Z.........
Z..JJS....
Z..JSS....
Z..JSL....
OOJLLLI...
OOJJJIII..
.........2
..........
..........
..........
..........
..........
..........
..........
..........
JJS.I.JJLL
----------
----------
1.........
..........
..........
..........
Z.........
Z..JJS....
Z..JSS....
Z..JSL....
OOJLLLI...
OOJJJIII..
.GGGGGGGGG
.GGGGGGGGG
.........2
..........
..........
..........
..........
..........
..........
..........
..........
..........
..........
JJS.I.JJLL

Player 1 is now seriously overstacking their garbage and it will take a while to downstack though it.

Counters

If you see your opponent building up to a line clear, especially something telegraphed well in advance like a Tetris, then you can anticipate where your garbage will come from. By leaving those columns accessible, you can immediately send the garbage back to them. This is especially true if you are playing slightly slower than your opponent. Since both players receive the same piece sequence, you will literally get the I piece immediately after your opponent clears a Tetris.

Player 2 is waiting to see what Player 1 is up to before committing to a placement.

1.........
.....L....
...LLL....
..........
..........
..........
..........
..........
..........
..........
J....-OO..
JJJ---OO..
.........2
..JJJ.....
..J.......
..........
..........
..........
..........
..........
..........
..........
..---.....
..-.......

Looks like Player 1 will send lines on the right. Player 2 decides to stack for a double while leaving columns 9 and 10 otherwise open.

1.......Z.
........Z.
........Z.
........Z.
..........
..........
..........
..I..OOJ..
TIISSOOJ-Z
TTIISSJJ-Z
JTIIILOO-Z
JJJLLLOO-Z
OO.......2
OO........
..........
..........
..........
..........
..........
..JJS.T...
..JSSITT..
..JSIIIT..
--OOLZZZZJ
--OOLLLJJJ

Still 2 pieces behind, Player 2 is ready to send a double while Player 1 is sending a Tetris.

1.........
..........
..........
..........
..........
..........
..........
..I..OOJ..
----------
----------
----------
----------
.........2
..........
..........
..........
..........
..........
..........
..JJS.T...
..JSSITT..
..JSIIIT..
----------
----------
1.........
..........
..........
..........
..........
..........
..........
..........
..........
..I..OOJ..
..GGGGGGGG
..GGGGGGGG
.........2
..........
..........
..........
..........
..JJS.T...
..JSSITT..
..JSIIIT..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
1.........
..........
..........
....TT....
...TT.....
..........
..........
.........J
....--...J
..I--OOJJJ
..GGGGGGGG
..GGGGGGGG
.........2
..........
.........Z
.........Z
....III..Z
..JJSIT..Z
..JSSITT..
..JSIIIT..
GGGGGGGGG-
GGGGGGGGG-
GGGGGGGGG-
GGGGGGGGG-

2 pieces later, Player 2 is poised to send the Tetris right back to Player 1.

1.........
..........
..........
..........
..........
..........
..........
.........J
....TT...J
..ITTOOJJJ
..GGGGGGGG
..GGGGGGGG
.........2
..........
..........
..........
....III...
..JJSIT...
..JSSITT..
..JSIIIT..
----------
----------
----------
----------
1....SS...
......SS..
..........
.....--..J
....TT--.J
..ITTOOJJJ
..GGGGGGGG
..GGGGGGGG
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
.........2
..........
..........
..........
..........
..........
..........
..........
....III...
..JJSIT...
..JSSITT..
..JSIIIT..

Player 2 is now at a superior advantage despite playing slower. They have the option to continue pressing with Tetrises or a laser item would already be particularly devastating.

Baiting

If your opponent is good enough to screen read, you can mess with them by defying their expectations. For example, you can choreograph a buildup to a Tetris hole on the right, only to plug it and clear a double elsewhere on your screen.

Player 1 sees a Tetris or possibly some skim doubles coming, and has left a 2-wide open on the right to counter.

1.........
..........
..........
..........
..........
..........
..........
..........
..........
..GGGGG...
GGGGGGGG..
GGGGGGGG..
.........2
..........
..........
..........
..........
GGGG......
GGGG.GGG..
GGGG.GGG..
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.

Player 2 goes out of their way to mix up to the center columns.

1.........
..........
..........
..........
..........
..........
..........
.J.ISS....
.JIIISS...
JJGGGGG...
GGGGGGGG..
GGGGGGGG..
....JJ...2
....J.....
....J.....
..........
.......I..
GGGG--IIIS
GGGG-GGGSS
GGGG-GGGS.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
1.........
..........
..........
..........
..........
Z.........
Z.........
ZJ.ISS....
ZJIIISS...
JJGGGGG...
GGGGGGGG..
GGGGGGGG..
.........2
..........
..........
..........
.......I..
----------
----------
GGGGJGGGS.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
GGGGGGGGG.
1.........
........OO
........OO
Z.........
Z.........
ZJ.ISS....
ZJIIISS...
JJGGGGG...
GGGGGGGG--
GGGGGGGG--
GGGG.GGGGG
GGGG..GGGG
.........2
..........
.........Z
.........Z
.........Z
.........Z
.......I..
GGGGJGGGS.
GGGGGGGGG-
GGGGGGGGG-
GGGGGGGGG-
GGGGGGGGG-

Player 1 was not expecting the center garbage.

1.........
..........
..........
Z.........
Z.........
ZJ.ISS....
ZJIIISS...
JJGGGGG...
----------
----------
GGGG.GGGGG
GGGG..GGGG
.........2
......