Daily password cracking puzzle. Deduce the 5-digit password in 6 tries using logical deduction.
Sign in to save your streak
Streaks and stats sync to your account so they stay safe if you change device or clear your browser.
Games accounts are for puzzles only and do not unlock the main Maths Vault site.
Play today's daily challenge to build your streak.
Share your results
Choose your practice mode difficulty level:
Deduce the 5-digit password in 6 tries.
Green tile - Digit is correct and in the right position
The digit 1 is in the password and in the correct spot.
Yellow tile - Digit is in the password but wrong position
The digit 3 is in the password but in the wrong spot.
Grey tile - Digit is not in the password
The digit 9 is not in the password in any spot.