Lights Out
Toggle the lights — clicking one flips it and its neighbours. Turn them all off!
Turn all the lights off!
About Lights Out
Lights Out is a classic electronic puzzle game originally released by Tiger Electronics in 1995. Click any light to toggle it and its immediate neighbours (up, down, left, right). The goal is to turn all lights off.
How to Play
- Yellow tiles are ON, dark tiles are OFF.
- Click any tile to toggle it and its adjacent neighbours.
- Turn all tiles OFF to win.
- Every puzzle is generated from a solvable state — always winnable!
Frequently Asked Questions
Yes — puzzles are generated by starting from the solved state (all off) and applying random clicks, guaranteeing solvability.
No — toggling is commutative, so order doesn't matter. What matters is which cells you click an odd vs even number of times.