FREE PUZZLE
Lights Out
Toggle lights and their neighbors until every light is off.
Moves
0
Best (easy)
-
Why Use Our Lights Out?
Always Solvable
Puzzles are generated by scrambling from an all-off board, which guarantees a solution always exists.
Three Difficulty Levels
Easy, Medium, and Hard scramble the board by a different number of moves.
Classic 5x5 Grid
The traditional Lights Out board size and toggle rule - click a light to flip it and its neighbors.
Move Counter
Track exactly how many clicks it takes you to turn every light off.
Best Score Saved
Your fewest moves to solve each difficulty is saved on this device.
100% Private
Everything runs in your browser. Nothing is ever sent to a server.
Frequently Asked Questions
How do I win?
Click lights until every single one on the board is off.
What happens when I click a light?
It toggles that light and its up, down, left, and right neighbors all at once.
Is every puzzle solvable?
Yes. Puzzles are generated by scrambling from an all-off board, which guarantees a solution always exists.
Is my best score saved?
Yes. Your fewest moves to solve each difficulty is saved in your browser's local storage.
Is this game free?
Yes. It's free to play with no sign-up.
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