Tetris (NES, Nintendo)

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Revision as of 01:13, 30 November 2006 by *>Tepples (→‎Speed: rotation, lock delay, gravity speed formatting)
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NES Tetris Box Front.jpg
Gameplay info
Next pieces1
Playfield size10x20
Hold pieceno
Hard dropnone
NES Tetris SS2.gif
NES Tetris SS1.gif

Nintendo published the first official version of Tetris for Nintendo Entertainment System. Unlike Tetяis, this game has no 2-player mode.


The Nintendo Entertainment System is specified to run at 60.0988 frames per second.

Rotation system is a right-handed Nintendo Rotation System. Lock delay, wall kick, and hard drop are not present. DAS initial delay is 16 frames, and then every 6 frames. Soft drop speed is 1/2G. ARE is present, at or less than 10 frames.

The following table of gravity speeds was observed and later found to be stored at $808E (offset $099E in the iNES format ROM):

Level Number of frames
00 48
01 43
02 38
03 33
04 28
05 23
06 18
07 13
08 8
09 6
10–12 5
13–15 4
16–18 3
19–28 2
29+ 1

In Marathon (called A-TYPE), when the number of lines cleared is greater than or equal to 10 times the current level, add 1 to the current level. When the player chooses a high starting level, sometimes the levels start changing sooner; what makes this happen is as of yet unclear.

See also

External links