Puzzle room · Logic
Lights Out
One tap changes five lights. Can you switch off the whole grid?
How to play Lights Out
- Tap any light to toggle it and its orthogonal neighbors.
- Every starting board is generated by applying legal taps to a solved board, so a solution exists.
- Switch every light off. Fewer moves earn a higher score.
Play using the controls above. New game starts a fresh round. Best scores are saved on this device when browser storage is available.