Falling Blocks
Includes a different style of Tetris with this online web browser game.
Fibris
Online championship game in which companies compete against each other for high score. Players may add their company or play alone. Requires Shockwave.
Hextris
Java based version of Tetris where the classical pieces have been replaced with hexagonal objects.
Java Tetris
Online Tetris game with piece preview and ten different speeds. Java source code is freely available, under the GPL license.
Javascript Tetris
Has piece preview, 13 levels and background music.
Online Tetris
Free Java game with optional sound support. Pieces are moved using the keyboard. Also provides the rules of the game.
Online Tetris
A browser based version of the game. Provides a variety of difficulty settings.
Tetris
Includes multiple levels, statistics on previously fallen pieces, scoring and cubes fallen count. Requires Java. Doesn't include sound support.
Tetris
Tetris game featuring daily highscore lists. Requires a Java compatible browser.