Deceptively simple and completely addictive,Tetris Worldsadds colorful graphics, all-new gameplay variations, and intense multiplayer action to this classic game. Six modes of play challenge you with new rules, while its six different worlds evolve in complexity and difficulty as you clear one level and move to the next. Compete with up to four players to see which one clears levels the fastest. And best of all, this game is so straightforward that you can play it right out of the box.