Over the years, the Tetrominoes have underwent a countless amount of revisions. Some Tetris games even have variants depending on the mode you're playing. Rarely, there are also additional colors in certain variants of Tetris that you usually wouldn't see in regular gameplay. Plus, additional block sprites like item sprites will also be featured
Tetris (Game Boy)
Tetris (NES)
Tetris Battle Gaiden
Super Tetris 3
Tetris 2 (SNES)
Tetris & Dr. Mario
Tetris Plus
Tetris Plus 2
Tetris DX
Tetris 64
Tetris: The Grand Master
Magical Tetris Challenge (N64 / PS1)
Magical Tetris Challenge (Game Boy Color)
Tetris with Cardcaptor Sakura: Eternal Heart
Tetris Worlds (Game Boy Advance)
Tetris (WonderSwan Color)
Tetris Kiwamemichi
Minna no Soft Series: Tetris Advance
Tetris: The Grand Master 3
Tetris DS
Tetris Party Deluxe (Wii)
Tetris Party Deluxe (Nintendo DS)
Tetris Ultimate (Nintendo 3DS)
Puyo Puyo Tetris
Tetris 99