LightsOut

Lights Out – The Lights Challenge

Can you turn off all the lights?

Each level presents you with a grid of glowing squares: by tapping on a square, you change its state... and also that of its neighbors! It's up to you to find the right combination to plunge the grid into total darkness.

=> Simple objective, formidable logic

Tap to turn off all the lights.

Each click affects the adjacent squares.

The larger the grid, the more complex the puzzle becomes.

🧠 A mathematically consistent puzzle
Each grid is guaranteed to be solvable: no traps, no dead ends.
An internal solver checks each configuration before offering it to you.

🚀 Intelligent progression

Start with a 3x3 grid, and work your way up to 10x10.

Each level increases the difficulty and your potential score.

The clues are limited: it's up to you to use your logic!

🏅 Motivating scoring system

Solve the level in the minimum number of moves to get 100 points.

Use too many hints? Your score drops slightly.

Your score is multiplied by your level to reward progress.

🌍 Leaderboards (coming soon)

High score of the day.

Top players from all eras.

Leaderboards by level with player country displayed.

💡 Key features

Clean and fluid interface.

Elegant and easy-on-the-eyes dark mode.

Dynamic visual clues to learn without cheating.

Automatically saves your progress and score.

No intrusive ads.

🔥 Ideal for curious minds
If you enjoy puzzle games like Sudoku, Nonogram, or 2048, you'll love Lights Out.
Each game is an invitation to logic, patience, and the satisfaction of the "perfect click."

Install Lights Out – Turn Them All Off!
Now and find out how many hits it takes to reach complete darkness.