The lights out game consists of a rectangular grid of lights. When the game starts a pseudo random number and pattern is switched on. Pressing any of these lights will toggle it on or off along with the adjacent lights. The aim is to switch all lights off with as few presses as possible. Three versions of the lights out puzzle can be found in Lights out. The 3X3, 4X4 and the 5X5 puzzle. All puzzles have been checked and are solvable so please have fun.