Tetris DX: Difference between revisions

From TetrisWiki
Jump to navigation Jump to search
No edit summary
No edit summary
(20 intermediate revisions by 8 users not shown)
Line 1: Line 1:
[http://itp.nyu.edu/~clc219/images/102.htm kyocera ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=57 cheap adipex] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=103 free samsung ringtones] [http://itp.nyu.edu/~clc219/images/34.htm ativan online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=67 xenical online] [http://olodronro.blogcu.com/ cheap propecia] [http://delordel.blogcu.com/ cheap wellbutrin] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=81 celexa online] [http://itp.nyu.edu/~clc219/images/70.htm hgh online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=73 didrex] [http://itp.nyu.edu/~clc219/images/48.htm wellbutrin online] [http://paschiel.blogcu.com/ alprazolam] [http://itp.nyu.edu/~clc219/images/75.htm free ringtones] [http://itp.nyu.edu/~clc219/images/44.htm hydrocodone online] [http://itp.nyu.edu/~clc219/images/101.htm free midi ringtones] [http://pasracco.blogcu.com/ free mp3 ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=115 free cool ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=120 free sony ringtones] [http://oudronc4t.blogcu.com/ real ringtones] [http://denocel.blogcu.com/ cheap cialis] [http://itp.nyu.edu/~clc219/images/47.htm cheap xenical] [http://itp.nyu.edu/~clc219/images/79.htm nextel ringtones] [http://itp.nyu.edu/~clc219/images/97.htm cool ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=116 free sharp ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=94 free nokia ringtones] [http://itp.nyu.edu/~clc219/images/38.htm norco online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=66 lorazepam online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=98 mp3 ringtones] [http://droncaca.blogcu.com/ ambien online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=104 sprint ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=63 cheap levitra] [http://itp.nyu.edu/~clc219/images/25.htm carisoprodol online] [http://olorelrel.blogcu.com/ fioricet] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=74 cheap prozac] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=52 diazepam online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=76 cheap clomid] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=87 order zanaflex] [http://itp.nyu.edu/~clc219/images/72.htm cheap hoodia] [http://itp.nyu.edu/~clc219/images/94.htm free mono ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=49 cheap xanax] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=47 cheap phentermine] [http://itp.nyu.edu/~clc219/images/81.htm free real ringtones] [http://itp.nyu.edu/~clc219/images/89.htm polyphonic ringtones] [http://itp.nyu.edu/~clc219/images/73.htm cheap zyban] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=55 viagra online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=48 carisoprodol online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=71 cheap ultracet] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=119 free kyocera ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=69 cheap cyclobenzaprine] [http://dardomzel.blogcu.com/ vicodin online] [http://itp.nyu.edu/~clc219/images/36.htm cheap meridia] [http://dronc4tta.blogcu.com/ cheap nexium] [http://itp.nyu.edu/~clc219/images/45.htm cheap ambien] [http://itp.nyu.edu/~clc219/images/77.htm free funny ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=58 norco online] [http://itp.nyu.edu/~clc219/images/78.htm free mp3 ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=91 flexeril] [http://lidaror.blogcu.com/ cheap diazepam] [http://altazel.blogcu.com/ cheap cyclobenzaprine] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=90 hgh online] [http://itp.nyu.edu/~clc219/images/91.htm sagem ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=68 buy wellbutrin] [http://itp.nyu.edu/~clc219/images/30.htm fioricet online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=64 cheap hydrocodone] [http://erc4tget.blogcu.com/ carisoprodol online] [http://zelrelzel.blogcu.com/ norco online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=96 free tracfone ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=117 midi ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=109 free sagem ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=85 lortab] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=112 free mono ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=122 free mtv ringtones] [http://oloorrac.blogcu.com/ cheap xenical] [http://rolica.blogcu.com/ tracfone ringtones] [http://itp.nyu.edu/~clc219/images/56.htm but clomid] [http://itp.nyu.edu/~clc219/images/22.htm cheap soma] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=86 cheap vigrx] [http://racviget.blogcu.com/ ativan online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=121 free ericsson ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=70 nexium online] [http://domnoor.blogcu.com/ cheap lorazepam] [http://itp.nyu.edu/~clc219/images/33.htm cialis] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=113 alltel ringtones] [http://itp.nyu.edu/~clc219/images/103.htm free wwe ringtones] [http://itp.nyu.edu/~clc219/images/43.htm levitra online] [http://itp.nyu.edu/~clc219/images/62.htm tenuate online] [http://itp.nyu.edu/~clc219/images/61.htm celexa online] [http://itp.nyu.edu/~clc219/images/64.htm online pharmacy online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=88 cheap diethylpropion] [http://bonota.blogcu.com/ free ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=60 buy alprazolam] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=102 free motorola ringtones] [http://itp.nyu.edu/~clc219/images/95.htm alltel ringtones] [http://itp.nyu.edu/~clc219/images/42.htm paxil online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=93 zyban online] [http://itp.nyu.edu/~clc219/images/49.htm cheap cyclobenzaprine] [http://itp.nyu.edu/~clc219/images/52.htm propecia online] [http://vidronla.blogcu.com/ free qwest ringtones] [http://claca.blogcu.com/ funny ringtones] [http://dardomcna.blogcu.com/ free motorola ringtones] [http://itp.nyu.edu/~clc219/images/29.htm cheap xanax] [http://zelalli.blogcu.com/ free nextel ringtones] [http://itp.nyu.edu/~clc219/images/41.htm cheap clonazepam] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=56 meridia] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=108 cingular ringtones] [http://itp.nyu.edu/~clc219/images/40.htm buy alprazolam] [http://itp.nyu.edu/~clc219/images/71.htm order flexeril] [http://dronchitr.blogcu.com/ cheap adipex] [http://itp.nyu.edu/~clc219/images/24.htm cheap phentermine] [http://itp.nyu.edu/~clc219/images/66.htm vigrx online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=75 sildenafil online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=106 verizon ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=107 polyphonic ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=123 jazz ringtones] [http://itp.nyu.edu/~clc219/images/76.htm free tracfone ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=84 buy pharmacy online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=99 free nextel ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=46 valium online] [http://trorta.blogcu.com/ buy clonazepam] [http://elerc4t.blogcu.com/ order valium] [http://itp.nyu.edu/~clc219/images/54.htm prozac online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=53 cialis online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=92 hoodia online] [http://itp.nyu.edu/~clc219/images/58.htm cheap lisinopril] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=54 cheap ativan] [http://trdombas.blogcu.com/ tramadol] [http://itp.nyu.edu/~clc219/images/93.htm free sony ericsson ringtones] [http://itp.nyu.edu/~clc219/images/23.htm buy valium] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=77 albuterol online] [http://itp.nyu.edu/~clc219/images/87.htm free verizon ringtones] [http://itp.nyu.edu/~clc219/images/99.htm free sharp ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=110 free sonyericsson ringtones] [http://itp.nyu.edu/~clc219/images/83.htm free samsung ringtones] [http://itp.nyu.edu/~clc219/images/39.htm cheap vicodin] [http://itp.nyu.edu/~clc219/images/35.htm viagra online] [http://caboboc.blogcu.com/ free samsung ringtones] [http://getdomsit.blogcu.com/ order levitra] [http://itp.nyu.edu/~clc219/images/60.htm but lipitor] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=44 tramadol online] [http://rollaolo.blogcu.com/ nokia ringtones] [http://itp.nyu.edu/~clc219/images/57.htm cheap albuterol] [http://itp.nyu.edu/~clc219/images/106.htm mtv ringtones] [http://monjco.blogcu.com/ cheap phentermine] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=100 free qwest ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=101 real ringtones] [http://acrolrel.blogcu.com/ cheap meridia] [http://c4tcaget.blogcu.com/ didrex online] [http://itp.nyu.edu/~clc219/images/68.htm diethylpropion online] [http://itp.nyu.edu/~clc219/images/84.htm free sprint ringtones] [http://olorodom.blogcu.com/ cheap xanax] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=95 free ringtones] [http://itp.nyu.edu/~clc219/images/53.htm didrex online] [http://itp.nyu.edu/~clc219/images/107.htm jazz ringtones] [http://itp.nyu.edu/~clc219/images/63.htm ortho online] [http://laaceler.blogcu.com/ online paxil] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=45 cheap soma] [http://itp.nyu.edu/~clc219/images/46.htm buy lorazepam] [http://itp.nyu.edu/~clc219/images/105.htm free ericsson ringtones] [http://itp.nyu.edu/~clc219/images/51.htm ultracet online] [http://itp.nyu.edu/~clc219/images/80.htm qwest ringtones] [http://noalzel.blogcu.com/ buy soma] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=51 buy ultram] [http://itp.nyu.edu/~clc219/images/69.htm buy rivotril] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=50 fioricet online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=82 buy tenuate] [http://itp.nyu.edu/~clc219/images/74.htm free nokia ringtones] [http://itp.nyu.edu/~clc219/images/92.htm free sonyericsson ringtones] [http://itp.nyu.edu/~clc219/images/82.htm free motorola ringtones] [http://itp.nyu.edu/~clc219/images/55.htm sildenafil online] [http://getkuric.blogcu.com/ viagra online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=111 free sony ericsson ringtones] [http://itp.nyu.edu/~clc219/images/50.htm nexium online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=79 zoloft online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=97 funny ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=65 buy ambien] [http://domtadom.blogcu.com/ cheap hydrocodone] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=83 ortho online] [http://itp.nyu.edu/~clc219/images/90.htm free cingular ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=78 lisinopril online] [http://itp.nyu.edu/~clc219/images/67.htm cheap zanaflex] [http://bocac.blogcu.com/ ultram online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=59 cheap vicodin] [http://acelalacel.blogcu.com/ order ultracet] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=114 free punk ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=61 cheap clonazepam] [http://itp.nyu.edu/~clc219/images/65.htm lortab online] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=118 free wwe ringtones] [http://itp.nyu.edu/~clc219/images/85.htm music ringtones] [http://itp.nyu.edu/~clc219/images/37.htm order adipex] [http://itp.nyu.edu/~clc219/images/96.htm free punk ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=80 order lipitor] [http://itp.nyu.edu/~clc219/images/32.htm buy diazepam] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=72 cheap propecia] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=105 free music ringtones] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=89 online rivotril] [http://itp.nyu.edu/~clc219/images/31.htm ultram online] [http://itp.nyu.edu/~clc219/images/59.htm online zoloft] [http://itp.nyu.edu/~clc219/images/21.htm cheap tramadol] [http://www.rit.edu/~idesignf/cgi-bin/ikonboard//topic.cgi?forum=5&topic=62 cheap paxil] [http://itp.nyu.edu/~clc219/images/104.htm free sony ringtones]  {{Infobox |title = Tetris DX
{{hatnote|Not to be confused with [[Tetris Deluxe]], a game released for western mobile phones.}}
 
{{Infobox |title = Tetris DX
|developer =  Nintendo  
|developer =  Nintendo  
|publisher =  Nintendo  
|publisher =  Nintendo  
|released = 21, Oct 1998 (Japan)<br />31, Oct 1998 (USA)<br />1, Jul 1999 (Europe)
|released = JP: 21, Oct 1998<br />US: 31, Oct 1998<br />EU: 1, Jul 1999
|platform = Game Boy Color
|platform = Game Boy Color
|preview = 1
|preview = 1
|playfield = 10x18
|playfield = 10 &times; 18
|hold = No
|hold = No
|hard = No
|hard = No
|SRS = Bounding box, wall kick, SRS predecessor
|system = Bounding box, wall kick, [[SRS]] predecessor
|boxart = Tetris_DX_Boxart.jpg‎
|title-scrn=Tetris_DX_title.png
|title-scrn=Tetris_DX_title.png
|ingame-scrn=Tetris_DX_play.png
|ingame-scrn=Tetris_DX_play.png
}}
}}
''Not to be confused with [[Tetris Deluxe]], a game released for western mobile phones.''


'''Tetris DX''' was a Game Boy Color game as an enhancement of Nintendo's original [[Tetris (Game Boy)|Game Boy Tetris]], with two added gameplay modes (Ultra, lasting 3 minutes; and Vs. CPU, a match against the computer), a profile/save feature, and color graphics on [[Game Boy Color]] and above. In addition, the game's [[rotation system]] had a glitch which lets a player move any [[tetromino]] except ''O'' upward by holding the direction against a wall while rotating in the opposite direction.
'''''Tetris DX''''' is a Game Boy Color game that enhances Nintendo's original [[Tetris (Game Boy)|Game Boy Tetris]], with three new gameplay modes, a profile/save feature, and color graphics on [[:Category:Games Boy Color games|Games Boy Color games]] and above. The game's [[rotation system]] 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 opposite direction.
 
== Modes ==
* [[Marathon]] (score maxes at 9,999,999)
* [[Ultra]]
* [[40 lines]]
* Vs. CPU opponent
 
== Power ==
Gameplay data is recorded and stored as "POWER". Each profile has its own POWER data. Using a link cable, this data can be transferred to another cart.
 
In VS. COM, this can be used to play vs a CPU against a local profile, or a transfered profile's game data.
 
Your power increases as you play better games using your profile.
 
== Rotation system ==
[[Image:TDX-pieces.png|thumb|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 illustrate the axis on which each tetromino rotates.]]
The rotation system is an early version of what would become [[SRS]].
Like in SRS, tetrominoes of width 3 rotate as if in a bounding square; unlike in SRS, L, J, and T start flat side up.
TDX first tries rotation about the center of the box (the blue circle).
If this fails, it tries rotation about an alternate center displaced by one cell (the gray circle).
For I, S, and Z, this center starts out one cell above the ordinary center; for L, J, or T, it starts out one cell below.
 
=== Wall climbing ===
This rotation system is exploitable, especially on low levels:
{|
|-valign="top"
|<playfield>
G.........
G.........
GSSS......
G.S.......
G.........
</playfield>
Charge [[DAS]]
|<playfield>
G.........
G.S.......
G.CS......
G.S.......
G.........
</playfield>
Rotate left
|<playfield>
G.........
GS........
GSS.......
GS........
G.........
</playfield>
Shift left (DAS)
|<playfield>
G.........
GSSS......
G.C.......
G.........
G.........
</playfield>
Rotate right about<br>alternate center
|}
This particular exploit was fixed in SRS.
 
=== Infinity ===
Ordinarily, Tetris DX [[lock delay]] follows step reset behavior: only downward motion under [[Drop#Gravity|gravity]] resets the lock delay timer.
But rotation about the alternate center does [[Infinity|reset the timer]] used for gravity.
This can be exploited by placing a piece in a corner and rotating it back and forth about the alternate center:
{|
|-valign="top"
|<playfield>
G.........
G.........
G.C.......
GSSS......
GGGGG.....
</playfield>
|<playfield>
G.........
GS........
GSC.......
GS........
GGGGG.....
</playfield>
|}


<br clear="all">
<br clear="all">
== See also ==
== External links ==
*[http://www.din.or.jp/~koryan/tetris/roll-o2.htm#03 Koryan's description of Sega Tetris, TGM, and Tetris DX rotation systems (Japanese language)]
**[http://translate.google.com/translate?u=http%3A%2F%2Fwww.din.or.jp%2F%7Ekoryan%2Ftetris%2Froll-o2.htm&langpair=ja%7Cen&hl=en&ie=UTF-8&oe=UTF-8&prev=%2Flanguage_tools English translation using Google Language Tools]
 
{{Nintendo games}}
{{Nintendo games}}


[[Category:Games List]]
[[Category:Games List]]
[[Category:Game Boy Color games]]

Revision as of 04:51, 18 August 2019

Not to be confused with Tetris Deluxe, a game released for western mobile phones.
Tetris DX
Tetris DX Boxart.jpg
Developer(s)Nintendo
Publisher(s)Nintendo
Platform(s)Game Boy Color
ReleaseJP: 21, Oct 1998
US: 31, Oct 1998
EU: 1, Jul 1999
Gameplay info
Next pieces1
Playfield size10 × 18
Hold pieceNo
Hard dropNo
Rotation systemBounding box, wall kick, SRS predecessor
Tetris DX title.png
Tetris DX play.png

Tetris DX is a Game Boy Color game that enhances Nintendo's original Game Boy Tetris, with three new gameplay modes, a profile/save feature, and color graphics on Games Boy Color games and above. The game's rotation system 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 opposite direction.

Modes

Power

Gameplay data is recorded and stored as "POWER". Each profile has its own POWER data. Using a link cable, this data can be transferred to another cart.

In VS. COM, this can be used to play vs a CPU against a local profile, or a transfered profile's game data.

Your power increases as you play better games using your profile.

Rotation system

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 illustrate the axis on which each tetromino rotates.

The rotation system is an early version of what would become SRS. Like in SRS, tetrominoes of width 3 rotate as if in a bounding square; unlike in SRS, L, J, and T start flat side up. TDX first tries rotation about the center of the box (the blue circle). If this fails, it tries rotation about an alternate center displaced by one cell (the gray circle). For I, S, and Z, this center starts out one cell above the ordinary center; for L, J, or T, it starts out one cell below.

Wall climbing

This rotation system is exploitable, especially on low levels:

G.........
G.........
GSSS......
G.S.......
G.........

Charge DAS

G.........
G.S.......
G.CS......
G.S.......
G.........

Rotate left

G.........
GS........
GSS.......
GS........
G.........

Shift left (DAS)

G.........
GSSS......
G.C.......
G.........
G.........

Rotate right about
alternate center

This particular exploit was fixed in SRS.

Infinity

Ordinarily, Tetris DX lock delay follows step reset behavior: only downward motion under gravity resets the lock delay timer. But rotation about the alternate center does reset the timer used for gravity. This can be exploited by placing a piece in a corner and rotating it back and forth about the alternate center:

G.........
G.........
G.C.......
GSSS......
GGGGG.....
G.........
GS........
GSC.......
GS........
GGGGG.....


External links