1. Minesweeper-type xyzzy, and press hold both shift button till 3 second. A point will appear on top of the desktop screen. The point will blink as we move the mouse button over.
2. 3D pinball- once the game started, just type "Hidden Test" and the ball will follow the pointer.
3. Solitaire-Just press shift+alt+2, the game will be instantly won.