The Vault · Boss Battles

Crack the Vault

Each track ends in a capstone that fuses everything you learned — no multiple-guessing your way through. Break a weakened RSA key, solve a discrete log, forge a point on a curve, and hold the line against the Quantum Siege. Win to earn a legendary card and unlock the next vault.

0 of 5 vaults cracked · beat a boss to unlock the next

See your card collection →

🔒

Track

Boss

Boss100%

🛡️🛡️🛡️

…

🏆 Vault cracked!

View your new card →

Shields down

The vault held — this time. Review the track and try again; the boss resets to full.