Tetris Blitz - Race against the clock in a two-minute blitz to clear lines and rack up points before time runs out.
NullpoMino - NullpoMino is an open-source action puzzle game that works on the Java platform.
Blockinger - An open source Tetris clone for Android.
Ltris - LTris as a tetris clone: differently shaped blocks are falling down the rectangular playing field...
Hextris - An addictive puzzle game inspired by Tetris.