This is a Tetris variant based upon classic Tetris like you played on your NES.
This HTML5 version can play the Marathon mode, however, take a look at the Android version for the outstandig touch controls and accelerometer support, multiplayer mode, cloud sync and achievements and leaderboards!
06/02/17 Build 61: Added Gamepad support. Have fun!
06/11/17 Build 62: Now works on Firefox again.