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...ne direction. All seven of the tetrominoes can be rotated, including the O piece (which has only one orientation). If there is no space for the piece in its new orientation, it does not rotate.

:Choose a piece at random from the comma-separated ''list'' and deal it. Duplicates are per :Starting with the first piece of ''list'', deal each piece in turn. When the end of the ''list'' is reached, start again from the begi

...pawns in row 20 column 6. It's also the axis of rotation (except for the O piece, which doesn't rotate).]] ...intendo Rotation System]], except that the horizontal orientation of the I piece is one block higher.

...and vibrate an S or Z-piece by pianoing the rotate buttons, and moving the piece down the stack. A fish can be seen performed with the Z-piece in the ''[[TGM]]'' attract mode during the S3 class player demonstration.

The playfield is 18 rows high, but locking a piece above row 15 (partial lock out) will result in the game ending. The top out The following diagrams for the JLT piece orientations have their left-most orientation as their initial orientation,

...step finesse''' is a group of piece placement optimizations in which every piece can be placed in 2 steps or less. In general it can be applied to most [[Te *[[0G 60Hz SRS I Movement Finesse]]

[[Image:Zangi_move.jpg|thumb|Zangief piledriving an I-piece]] ...drop the piece, left or right to move the piece over, and down to lock the piece in place. Doing these inputs in a single circular motion of the arcade stic

A '''pentomino''' is a [[piece|polyomino]] of five squares. The ancient [[pentomino puzzle]] uses free pen I

Starting a game with a S or Z piece (known as '''S and Z starts''') is a delicate way of starting, since it lea This method consist in placing a tetromino under the first piece.

...ece sequence is generated upon game start, with the seed changing for each piece. Once the sequence is generated, the seed remains the same during a game. # The 1000 piece sequence restarts every 1000 pieces.

''Columns'' uses only the I [[piece|trimino]], where each block is colored with one of a selection of four to s The player can move the piece sideways into a [[playfield]] whose width may be 6 or 7 blocks and whose he

The seven one-sided tetrominoes are ''I'', ''O'', ''T'', ''S'', ''Z'', ''J'', and ''L''. ...with [[SRS]] and [[TGM Rotation]] have dominated new games, and "the blue piece" is always J.

*Ctrl+A (Up): Move current piece up one row. *Ctrl+K (Polymorph): Convert current piece to an I.

...extended bounding box followed by a 5x5 array describing the shape of the piece; each nonzero makes a block in that space. *Piece01: I rotated left, color 1, bounding box size 4

...ino. It can produce a maximum of 12 tetrominoes between one I and the next I, and a run of S and Z tetrominoes is limited to a maximum of 4. ...[Tetris The Grand Master Ace]], the first piece of the first bag is always I, J, L, or T, just as in the traditional [[TGM randomizer]].

Nothing can be done in the case of the O piece: There is no problem getting the O piece to here

...ng|thumb|All rotation states of all seven tetrominoes. From top to bottom: I, J, L, S, T, Z. Top right: O.]] Tetrominoes start out centered, rounding to the left. I goes in columns 4–7 counting from the left, O in columns 5–6, a

...s that make up a piece are colored the same; in others, especially falling piece games other than ''Tetris'' and its [[List of fan games|fan games]], they a A '''polyomino''' is a piece made of one or more square blocks, where all blocks are connected through f

...to rotate a piece 2 or 3 times in quick succession. This can help to get a piece to the desired orientation before it lands, or after it lands and before th When the gravity is fast you want to rotate only after the piece has landed, whenever this is possible. Here the player has an active L and

*'''Piece preview.''' Keep an eye on the [[piece preview|next piece]](s). They will help prepare for how the pieces at hand shall be placed. ...ossible. A rough surface or a "castle" like structure might hinder optimum piece placements. Don't stack perfectly even either, as there are ''Z''s and ''S'

Sometimes a bit of planning based on the piece preview may help: .........I

...floor kick''', like a [[wall kick]], happens when a player [[rotate]]s a [[piece]] when no space exists in the squares where that tetromino would normally o ....I.....

...nd standard game modes. However it is missing notable ones such as [[ghost piece]]s, [[SRS]] kicks, [[move reset]], and [[hold]]. ...ion system is similar to SRS without any kicks, the exceptions being the I-piece only has 2 states and is biased to the left.

'''Hold piece''' is a feature of most newer ''Tetris'' games starting with ''[[The New Te G........I.G

...at clears at least one line, the combo counter increases by 1; if a placed piece does not clear a line (also known as a combo break), the counter resets bac ...a line in this case, so the [[Hold piece|Hold box]] should contain a non I piece, if the game allows, or the bottom of the funnel should be 1 cell wide.

...times gives the player giant pieces. When a line is made involving a giant piece, instead of clearing it will split into vertical dominoes. The dominoes wil .I..

*lock delay: no; wall kick: no; rotation: J, L, T bounding box and S, Z, I 2-state, counterclockwise only ...ible on screen at once, and the field will scroll down to follow a falling piece or bomb if needed.

==I Tetromino== In the last two situations, make sure to stop moving the piece right before you rotate, otherwise it will fall into the far right column.

...an be found in this game, as can I pieces of length up to 10. All possible I pieces have been seen, with the I1 through I7 appearing often. As of 8th Fe ...yers compete. Clearing lines will increase the size of the opponent's next piece.

There's a bug in Jaleco PCB which piece phases inside [[playfield]] blocks when spawning a [[Tetromino]].<ref name= .I........

|Changer || 10 || Changes a stone into another. || Rerolls your current piece ...ges any stone into a long red stone. || Changes your current piece to an I-Piece

...icks, the pieces rotate clockwise. O and I pieces spawn left handed. The I piece is two states and the second state is left biased. S and Z are two state ro

...ates aligned towards the bottom of the piece's bounding box. This allows a piece to rotate after landing on a flat surface, without requiring floor kicks. * Functionally, the I, S, and Z pieces only have two states, and rotating in either direction sim

With an I tetromino early in the first bag, you can try a TKI opening. Try one of these when the O piece comes late in the first bag.

...romino, vertically oriented: Press rotate to drop a single block below the piece. ;Domino, vertically oriented: Press rotate to remove a single block below the piece.

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g J........I

...se rotations, but spawn one cell to the right, including the I-piece and O-piece. Pieces spawn on the 22nd and 21st row, but immediately drop one row. Piece ...unt of points seems to be based on how fast the player hard drops once the piece has landed.

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g ........I.

...30 lines. After clearing 5 levels they will occur every 50 lines instead (i.e. 200, 250, 300, etc.). The maximum level is 17. ...n the piece at the top left corner of the piece's bounding box, except for I's vertical state which is placed in the second column from the left.

Effect: X-ray every odd piece. ....I.....

Setups involving S and I: ...scapegoat for ill-fated garbage. This must be done before the final "lid" piece have been placed at the top of the setup. As an extra bonus, the overhang l

...are now based on the letters each piece represents; for example, L, J, and I have their long sides facing sideways, and T has its flat side facing up. * When Holding a piece while in its current orientation, the piece held will keep its orientation when swapped back into the [[Playfield|playf

.... A Tetris Line Clear is [[Line clear#Tetris|four lines cleared]] with one I [[tetromino]]. This is typically done by creating and building around an '' ...a tetris requires 10 pieces, so for roughly every 2nd tetris, you have an I block to spare if you are using the 7-bag randomizer.

It requires [[Hold piece]], [[SRS]], 3-corner T-spin recognition, and 7-piece bag randomizer. Drop I before Z

...domizer. It does however have a [[ghost piece]], [[hold]] (16-bit only), [[piece preview]], levels, scoring, etc. ...ame starts with. A setting of 0, 3, 6, 9, or 12 can be selected. The ghost piece can be toggled on or off.

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g

...20G gravity; however, there is a long post-entry delay, which means that a piece can still freely move horizontally within the spawn area for a half-second A piece cannot move across other blocks if the playing field is uneven.

...he piece. A piece preview on the lower left corner of the screen shows the piece currently held, as well as the next two pieces. .... If a piece is on a high enough layer that it flashes red, then placing a piece on it will also take away a life, even if normally it would start a reactio

|platform = Philips CD-i '''''Tetris''''' for the Philips CD-i released in 1992. It features a New Age-style soundtrack by Jim Andron. It

I-1 ...rt to finish. It is recommended that you try this only if you get a J or L piece very early in the game.

...Drop button acts as an automatic soft drop, blocking all inputs until the piece locks. By pressing A, B or C on the pause screen, the high score display ca ...enabled, once every 10 pieces a special flashing piece will spawn. If the piece clears a line, the item's effect will activate. Each tetromino has a differ

The original. There is a small chance of getting a 8-block I piece. ...es) to the original. 12 lines can be cleared at once using a 3&times; size I, scoring 40960 points.

*the [[Random Generator]] is used to generate piece sequences *at least 3 [[piece preview]]s are available

...useful for creating the sawtooth structure or covering holes, although any piece can be used to create useful structures. I

|system = Nearly [[SRS]]<br>(I buggy and lacking many wall kicks) *[[Hold piece]] allows switching during ARE, similar to IHS of [[TGM3]].

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g .........I

A ''triple'' is three lines cleared simultaneously. Most games allow only I, L, and J-tetrominoes to complete a triple, but newer games with [[SRS]], t ...eared simultaneously. In most games, this can only be done with a vertical I-Tetromino. The plural form is Tetrises.

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g .........I

...) and scoring (100 points per line, plus a randomised number of points per piece). ...to 9, advance every 10 lines) and revamps the scoring system (1 point per piece, 1 point per row soft dropped, 50 * 2^(no. of lines - 1) * (level + 1) for

...ultiple [[piece preview]]s, [[Hold piece|hold piece]], [[Ghost piece|ghost piece]], and wall kicks for pieces. ...oncept.com/forum/viewtopic.php?p=16610#16610 data] is consistent with a 63-piece bag.

[[Image:TGM_Legend_DAS_1.gif|right|frame|Using DAS to move an I tetromino back and forth.]] ...en the player holds the left or right key. The game will shift the falling piece sideways, wait, and then shift it repeatedly if the player continues to hol

I-1 ...ful in specific situations. A player may want to attempt this setup if his piece preview cannot offer a better overhang alternative or if he is in desperate

...using pieces to create stairs. If the character gets crushed by a dropped piece, the game ends. An endless option, Everest, is also toggleable. Available i ...a design in the playfield using polyominoes. The player can skip a current piece up to 10 times during a stage. Available in Multiplayer.

| [[image:ITet.png| ]] || Cyan block (commonly part of I tetromino) | [[image:-Tet.png| ]] || [[Ghost piece]] or [[Line clear]]

===I monosquare=== I- -I

*[[DAS]]: Faster than Tetris DS. I don't know exact frame values however. ...end with only visible block, then clear some lines. All four blocks of the I will remain. Maybe there are more invisible rows, but there is no way to ve

I........L I......LLL

...econds, using a narrow playfield. Color Bonuses are given when the current piece used in a line clear matches that of the row of [[Garbage|garbage]] blocks ...ieces in the correct locations within a 3-minute time limit. Any misplaced piece will subtract 10 seconds from the in-game timer.

*[[Rotate#Initial Rotation System (IRS)|IRS]] and [[Hold piece#Initial Hold|IHS]] are available. int i;

...nd standard game modes. However it is missing notable ones such as [[ghost piece]]s, [[SRS]] kicks, [[move reset]], and [[hold]]. The rotation system uses only 2 states for S, Z, and I pieces and no kicks. Pieces can only be rotated clockwise. Manually droppin

* <tt>IHS :</tt> [[Hold piece#IHS|Initial Hold System]] * <tt>TLS :</tt> [[Ghost piece|Temporary Landing System]]

| 20 || Clear 5 I-spin Quadruples. || ||! bgcolor="#d9f9d9"|[[#Biased-On-Nutty-Kick-Enhancem * [[Lock delay|Lock Delay]]: Time in frames before your piece locks. Note that this game does not have move reset, only step reset.

...s then added to the bottom of an opponent's playfield on the latter's next piece drop or non-line-clear. An opponent can also counter-attack by performing l I.ZZSJOO..

...he domino, and the monomino as well. It also specifies recommendations for piece color-coding and randomizer types. # Perform a Pentomino I-spin Tetris

|system = [[Super Rotation System|SRS]] with modified I wallkicks ...rsion of [[Super Rotation System|SRS]], in which the kick tables for the I piece are mirrored from the left side. This allows for symmetrical [[Wall kick|wa

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g

...tate button is presssed while the first button is still being pressed, the piece rotates an extra turn in the direction of the first button, for an overall * ''S'', ''Z'' and ''I'' pieces have four rotation states instead of two. However, the two horizon

...actly one block, but holding down for longer than 12 frames results in the piece soft dropping as usual. ...I..L...

........I. On the other hand, if ZST are in the [[Piece preview|preview]], Z might be a good choice, allowing for a [[Twist#T|T-spi

<!-- This game uses SRS, but without wallkicks, as well as non standard piece colors. Randomizer is apparently memoryless, or close to it. The game uses BPS rotation with I, J, L and T spawning in the same orientation as SRS, and S and Z spawning i

*'''Vs.''' - In Vs. mode, when you receive an I tetromino (after the first), you also receive four lines of garbage. '''''I ...hidden next pieces. The speed starts at 1G. Every time you are given an I piece, you will either receive four lines of garbage or be the target of a banana

...tem]] has a glitch which lets players move any [[tetromino]], except the O-piece, upward by holding the direction against a wall and rotating in the opposit ...b|All rotation states of all seven tetrominoes in TDX. From top to bottom: I, J, L, O, S, T, Z. The circle doesn't appear in the game; it helps to illus

...]] introduced third and fourth rotation states for the ''S'', ''Z'', and ''I'' tetrominoes in the game [[Tetris 2 + Bombliss]]. Two years later, in the * The ''I'' and ''O'' tetrominoes spawn centrally, and the other, 3-cell wide tetromi

...t is impossible to verify if a 44th (or higher) row is present because any piece that would reach that height would cause a "game over" when initially place ...filled cell being present in row 20 or higher which is in the path of the piece's spawning position.

...S and Z pieces into I pieces. This means you have a 3 in 16 chance of an I, a 9 in 64 chance each of L J T and O, and a 1 in 8 chance for each of s an I...IIIIII

...e field also requires little work to get back on to Tetrises (possibly a J-piece on the left and a square in the centre). This is the best way to use t-spin ...The real weapon in the arsenal of a good wifi player is the T-Spin Double. I can almost guarantee that every player in the top 100 uses them extensively

...vely manipulates a given situation. No more than 1 of every type of piece (I,J,L,O,S,T,Z) can be used in a setup in order to show a plausible setup in g

...e the play field, where the Next piece preview is. As a side effect, the I-piece no longer drops instantly to the bottom of an empty play field at 20G. ...aracter is shown beside the level counter, and when the next piece or held piece is able to All Clear, the "Go" sound effect is played. Instead of earning a

...ny times as they want, unlike in other games. The ability to hold a second piece and expand the next previews to 3 pieces can be bought separately in the st In Tetris Blitz, 80 points would earned on each piece placed, and the score table for the line clear shows below:

...With IRS, holding either the left or right rotation button will cause the piece to appear rotated 90 degrees. This allows the player a higher degree of fre : <math>\text{Score} = (\text{[50 piece Avg. of Efficiency]} \times 1666 \times \text{Lines}) + \text{[Lines Bonus]

|title=Deka i tetorisu, sore ga “dekarisu”! ...ine|Guideline]] rules, such as [[Drop#Instant dropping|hard drop]], manual piece locking, and [[Hold]] function. Locking a [[Tetromino|tetromino]] fully abo

...d if all of the following are true:^{[https://tetrisconcept.net/threads/i-cant-get-t-spins-to-work-_.415/#post-17830]} ==<span id="I">Twists with ''I''</span>==

*** Stage 9 — 260+ lines — Game slows down. Piece colors are randomized. You have to clear 8 quadruple line clears to win (ot # first stage: use 14-bag but without I pieces and can't O-spin.

...ts, a sliver of the 21st row is shown to aid players manipulate the active piece in that area. Some games have a smaller matrix, such as ''[[Tetris Giant]]' ...For later games, Initial Rotation System (IRS) may be included; IRS allows piece rotations to be made during ARE by holding a rotation button.<ref>{{cite we

| Piece Colors || Sega/Arika || Sega/Arika || Guideline || Guideline || Guideline | In addition, DEATH+ can also be turned on, which limits the player to 1 piece preview and no Hold, as well as ITEM and BIG modes.

....I..... IT Balance With 13 pieces,<br>A T tetromino should be in<br>the [[hold piece|hold box]] at this point

|system = SRS <!-- there's nuance with the 180 kicks i'll have to look into, but it's certainly not SRS-X --> ...various boxes, the player can change the upcoming queue, the current Hold piece, mirror the playfield, change game modes, and undo/redo. A convenient featu

...player would travel between these cities in the world<!--or only in China? I forgot.-->, and complete the level to push the game's story. <!--clear 5+ is higher, but I forgot how much it is...-->

...hen <code>turnbased</code> is '''disabled'''. Controls thinking delay upon piece entry in frames.<ref name="fps" group="notes">MisaMino runs at 60 frames pe ...pieces MisaMino can place. For example: if the value is set to 4, for each piece you place, MisaMino can place 4 total pieces. This option cannot be a decim

...d a good knowledge of [[Arika Rotation System|TGM Rotation]] is required". I encourage them to consult TetrisWiki's [[glossary]] and [[TGM legend]]. ...n/tgm.html an article on it]. For those more interested in Tetris history, I heavily recommend it. Trivia: the (in ?)famous "[http://youtube.com/watch?v