Tetris Worlds features all of the addictive block-dropping gameplay Tetris is known for, along with new updated modes such as "Fusion Tetris" and "Hotline Tetris." Players can test their skills in the classic version of Tetris, or the latest variations of the game. Developed by 3D6 Games, Tetris Worlds also features multiplayer capabilities allowing two Tetris fans to compete directly against one another.