NullpoMino - NullpoMino is an open-source action puzzle game that works on the Java platform.
Slitherine - The Slitherine Group is the world’s leading producer and publisher of digital wargames and strategy games.
Blockinger - An open source Tetris clone for Android.
Panzer Marshal - Historical tactical scale World War 2 turn based strategy game, that puts the player in the role of an Axis or Allied army officer.
Good Old Tetris - Play Tetris Online. The game that will never get old.
Ltris - LTris as a tetris clone: differently shaped blocks are falling down the rectangular playing field...