Preme for Windows - Speeds up your window switching.
Machinarium - Machinarium is independent puzzle / adventure game by Amanita Design
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
Chuchel - comedy adventure game from the creators of Machinarium, Botanicula and Samorost.
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
Limbo - “Dark, disturbing, yet eerily beautiful, Limbo is a world that deserves to be explored.” Joystiq. “Limbo is as close to perfect at what it does as a game can get.” Destructoid. Buy LIMBO: Special Edition.