🎮 How to Play

1
Enter a username on the home page. If you've played before your best score will be loaded automatically — no password needed.
2
A random decimal number between 0 and 255 appears. Type its hexadecimal equivalent in the answer box. You can write it with or without the 0x prefix — both are accepted.
3
Press Submit or hit Enter. A correct answer gives you +1 point and the next question loads instantly.
4
A wrong answer ends your run. Your score is saved to the database and the leaderboard is updated if you beat your personal best.
5
Hit Play Again to start a fresh run, or Change User to switch to a different username.

📋 Rules

🔢 Questions are decimal → hex only: you are given a base-10 number and must write the base-16 equivalent.
🎯 Answers must be two hex digits (e.g. 0A, 1F, FF). Leading zero required where applicable.
✅ Answers are case-insensitive — ff and FF are both accepted.
🔁 The 0x prefix is optional — typing 0x1B or just 1B are treated identically.
💀 One wrong answer ends the game — there are no second chances per run.
🏆 Only your best score ever appears on the leaderboard, not your latest.
🔄 Every run draws from all 256 values (0x00–0xFF), never repeating a number in the same session.