Puzzle
4.5
Lights Out
Turn off every light by toggling a cell and its neighbors. Plan your sequence to clear the board!
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Category
Puzzle
Rating
4.5/ 5.0
Price
100% Free
How to Play
Lights Out is a grid of lights. Pressing a light toggles it and its four orthogonal neighbors. Your goal is to turn every light off. Every puzzle generated here is guaranteed solvable.
Controls
- Click any light to toggle it and its neighbors
- New Puzzle for a fresh solvable board
Tips & Tricks
- 1Order doesn't matter — toggling the same light twice cancels out
- 2Work from a corner or edge inward
- 3Try to clear the bottom row first, then propagate upward
- 4Some puzzles need an unexpected sequence — experiment
Frequently Asked Questions
Why did more lights turn on?
Each press flips the clicked light plus its up/down/left/right neighbors.
Are all puzzles solvable?
Yes — each board is created by scrambling a solved board with valid moves.
Is it free?
Yes — plays instantly in your browser.
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