Good Old Tetris - Play Tetris Online. The game that will never get old.
Treksit - Put your logic to test with graph theory
Tetris Blitz - Race against the clock in a two-minute blitz to clear lines and rack up points before time runs out.
Word Tetris - Tetris with words
NullpoMino - NullpoMino is an open-source action puzzle game that works on the Java platform.
Tetris 99 - Tetris is now a battle royale game