Switchball (originally CrazyBall) is a 3D action-puzzle game, made by Swedish developer Atomic Elbow, which was released for Microsoft Windows on June 26, 2007, on Xbox Live Arcade for the Xbox 360 on November 7, 2007 and on PlayStation Network for the PlayStation 3 on September 17, 2009. The game puts the player in the role of a marble, which is guided through a narrow winding course suspended in mid-air in five different environments: Skyworld, Iceworld, Caveworld, Cloudworld and Lavaworld.