🎄

Light Up Puzzle

💡

Light up all the bulbs in the fewest moves!

0
Moves
—
Best
Progress
Grid Size
Actions
🎉 You Won! 🎉

How to Play

🎯 Goal

Light up all the bulbs on the grid!

🎮 Controls

  • Click/Tap a bulb to toggle it and its neighbors
  • Arrow keys to navigate (keyboard users)
  • Enter/Space to toggle selected bulb

💡 How It Works

When you click a bulb:

  • The clicked bulb toggles ON ↔ OFF
  • Bulbs directly above, below, left, and right also toggle
  • Try to light all bulbs in the fewest moves!

🎲 Buttons

  • Shuffle — Generate a new puzzle
  • Reset — Return to the initial state
  • Undo — Revert your last move
  • Hint — Get help with a suggested move

🏆 Best Score

Your best score for each grid size is saved automatically!