Plays in your browser, on your phone or computer. Nothing to install.
Description
A grid of lights, some on and some off. Each tap flips a square and its four neighbours, and you have to switch them all off. It looks easy until a light comes on right where you just switched one off.
A clear challenge. From the start you can see how many taps it can be solved in. Switching everything off wins; doing it in the exact minimum is the challenge.
Always solvable. The game always knows the shortest way, and the hint points to a square on that way from wherever you are. Undo is free.
Three modes. Classic with four levels, from 4 × 4 to 7 × 7; a daily challenge with the same board for everyone; and Zen, with no timer.
No ads, no purchases and no accounts. Your games are saved on your device.
How to play
Tap a square: it flips its light and the lights of its four neighbours (up, down, left and right). Lights that are on go off and lights that are off come on. You win when every light is off. The order of the taps doesn't matter, and tapping the same square twice leaves it as it was. At the top you see your taps and the minimum it can be solved in.
- Go row by row: switch off each light by tapping the square below it, and the row above is left clean.
- A cross of five lit squares goes off with a single tap in the middle.
- You never need to tap the same square twice: if you do, one tap is wasted.
Information
Tags
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