Since its introduction, Tetris has gone from Russian sensation to worldwide phenomenon, attracting more than 60 million enthusiastic players. Thanks to its unique and simple randomness, it's never the same game twice. “Tetris Splash,” developed by Tetris Online Inc., features multiplayer gameplay over Xbox LIVE for up to six players and two player head to head battles, as well as a virtual fish tank that is customizable through gameplay achievements and add-on content.