Every day deserves a little curiosity

Archive

Pick a date. Rediscover its little challenge.

Puzzle calendar

TodayCompletedNew puzzles at 00:00 UTC

Archive progress is saved, but does not affect your streak or daily leaderboard. Take your time and enjoy every guess.

Play today’s challenge

Less counting. More intuition.

Five rounds a day. The same little challenge for everyone.

  1. Take a lookAfter the objects settle, you have 15 seconds to look. Drag the scene to change your view.
  2. Make your guessEnter your guess before time runs out. It locks in automatically; empty rounds are skipped.
  3. See the answerThe closer you are, the more you score. Up to 100 points per round, 500 in total.

Only objects inside the glass count.

In Compare, choose the fuller side and estimate the difference. The wrong side scores zero. The timer continues in the background. New puzzles at 00:00 UTC.

Your progress stays with you.

Progress, statistics and settings stay in this browser. No account, ads or analytics tracking.

Clearing browser data removes local records. If you submit to the leaderboard, your nickname, guesses and score are saved on the server. Anyone with a challenge link can open it.