All Lights Off — The Classic Toggle Puzzle With Daily Boards

Info

All Lights Off is a classic toggle puzzle: tap a light and its four neighbors flip too — turn every light off to clear the stage. Level select with star ratings, a daily board with a guaranteed solution, and hints that mark the exact light to press. Offline, no sign-up. 9 languages.

Press One, Four Flip

Turn off every light on the grid and you clear the stage. It sounds simple, but pressing a light also flips the ones above, below, left and right — tap without thinking and the board only gets brighter. Once the rule clicks, a few boards on the commute disappear in no time.

• 💡 Toggle rule — the cell you tap and its four neighbors all flip
• 🗺️ Level select — stages get trickier as you go; cleared levels show their stars and can be replayed
• ⭐ Three-star challenge — solve within par moves for three stars, and watch your total grow on the home screen
• 📅 Daily board — a fresh puzzle every day, always with a guaranteed solution
• 🎯 Hints — when you’re stuck, a hint marks exactly which light to press

It works fully offline with no sign-up or login, and supports 9 languages.

Gameplay Video

Download

• Google Play: https://play.google.com/store/apps/details?id=com.fadongkwon.lights_off
• Apps in Toss: https://fadongkwon.com/toss/lights-off/ — open it on your phone and it connects straight into the Toss app.

Released Alongside

• Sudoku — a clean daily sudoku
• Nonogram — reveal pixel art with number clues
• Hangul Word Guess — guess the Korean word in six jamo
• Tap Bird — tap to fly through the gaps
• Number Rush — tap 1 to 25 in order, fast

I post updates here and on Instagram (@fadongkwon.soft).