Icks and Anom built this amazing contraption using redstone in minecraft!
This has nearly all of the features Tetris has.
Rotation, Shifting, SoftDrop, Line completion, Score, Random blocks
Download link: http://www.mediafire.com/?1177sa0lk22...
Website http://redstonedev.net/
Server IP: MC.redstonedev.net
Video made by shrogg: / shrogg2