Turn Off the Lights is a simple game that can take a lot to master. The goal is to turn off all of the lights in the grid, simple, right? After learning the basics on the 3x3 grid step up the challenge with a 5x5, 7x7 or 9x9 grid for a real challenge. Check the history of your moves to discover the plays that work best for your playing style and challenge yourself to beat the game in a faster time or with less moves.