Every day, a new sealed box arrives. You can't open it — yet.
Shake your phone. Listen to what rattles, rolls, jingles or squeaks inside. Then make your guess from six possibilities. Three tries. One box a day. The same mystery for everyone around the world.
- Shake to listen — real recorded sounds, no peeking
- One daily puzzle — quick, cozy, under 3 minutes
- Build your streak and share your result (spoiler-free!)
- Collect every object you discover on your shelf
- Rare boxes hide surprising treasures
- Optional hints — the game is fully playable without ads
Can you tell a marble from a pebble just by sound?
Shake the box. Trust your ears.
Shake the box. Listen closely. Guess what's inside. A new mystery every day.