Daily challenge
Goal
One puzzle per calendar day, same for everyone. Finish it to see your place on the leaderboard.

Shared daily run
New puzzle at 00:00 UTC · Streaks follow your profile
Streaks
Missing a day may reset a streak, depending on how the daily screen measures your run — the post-game summary is the source of truth.
How to play
Start from the home page, or use the direct link below.
The screen always shows that day’s rules and scoring for the run you’re on.
Tips
- Midnight UTC: A new puzzle starts each day; your streak still lives on your profile.
- Accuracy over speed when wrong answers are expensive — the scoring screen is the final word.