When does the daily puzzle reset?

The challenge resets globally every day at 00:00:00 UTC (Coordinated Universal Time).

How does the synchronized puzzle work without a database?

The site uses the Mulberry32 pseudo-random number generator initialized with the current UTC date string as seed, producing identical question orders for all users worldwide.

Global Synchronization

Daily Geography Challenge

Five curated questions updated at 00:00 UTC. Same questions worldwide.

Synchronizing daily challenge for today...

Protocol

Rules & Deterministic Mechanics

1. Global UTC Reset Puzzles reset synchronously at midnight UTC. Everyone solves the exact same seed set.

2. Zero Account Tracking Streaks and scores are tracked locally in your browser storage. No login required.

3. Spoiler-Free Sharing Generate standardized Wordle-style Emoji score tiles to compare with friends.