Tapping a tile flips its neighbors too

When you tap a tile, it toggles itself and the tiles around it — lights that were on turn off, and lights that were off turn on. That's the whole trick.

Try it yourself — this little board can be cleared in one tap:

Not all tiles flip the same pattern

Every tile shows a symbol telling you which lights it will flip. Tap a row below to see its pattern light up.

Hints, targets & ratings

• 🎯
  Target — every puzzle has a minimum number of moves it can be solved in. Match it for a perfect score.
• 💡
  Hint — once per puzzle, reveal exactly how many moves you are from winning. It hides again after your next move, so use it wisely!
• ⭐
  Ratings — ★★★ Perfect matches the target, ★★ Great is within 25% of it, ★ Solved is anything else. Extra moves never lose the game.
• 📅
  Daily puzzles — a fresh puzzle per difficulty every day, the same for everyone. Practice mode is unlimited.
• 📊
  Streaks — sign in to track daily streaks, perfect solves, and personal bests.