Columns Alternatives

Race against the clock in a two-minute blitz to clear lines and rack up points before time runs out.

An addictive puzzle game inspired by Tetris.

NullpoMino is an open-source action puzzle game that works on the Java platform.

Arcade Blocks is a new twist of the classic Tetris.

Client-side JavaScript framework for building large-scale web applications, created by Box

In Quadrapassel, the GNOME version of Tetris, your goal is to create as many complete horizontal...

A customizable, cross platform, open-source falling block game, packed with a bunch of features.

An open source Tetris clone for Android.

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

freemium $12.5 / Monthly (Per user - Business Class)

LTris as a tetris clone: differently shaped blocks are falling down the rectangular playing field...

An open source Tetris-style puzzle game for up to two players.

Tetris Online Poland (TOP) is an online tetris game where you can play tetris with your friends and tetris experts from all over the world.

http://alternativeto.net/software/tetrinet/ clone implemented in JavaScript & HTML.