Colors and squares and tight spaces – oh my! Tetris Battle: Fusion, an all-new game based on the addictive Facebook game Tetris Battle and multiplayer tribute to the game that singlehandedly spawned the puzzler genre, is now available for free on OUYA. Developed this year by Tetris Online to honor the Tetris brand’s 30th anniversary, Tetris Battle: Fusion puts players’ spatial strategy skill... more.