Lights Out Puzzle: Daily & Practice Games

Turn every light off by toggling a cell and its neighbors. Play the shared daily board or a practice puzzle, with undo, hints and progress saved in this browser.

How to use Afterlight

1. Choose the daily puzzle or a practice board.
2. Tap lights to change their state and the adjacent cells.
3. Turn all lights off; use undo or a hint when you need help.