Switch Off

Tapping a square flips it and the squares above, below and beside it. Every puzzle is solvable. Turn all the lights off in as few moves as you can; your best is saved on this device only.

Moves: 0Best: –

Tap a square to flip it and its four neighbours. Turn every light off.

Controls

Click, tap, or press Enter on a square.
Use New puzzle for a fresh board.