CIPHER BREAKER ARCADE

Five worlds of classical cryptography, three levels each, and a chained final Vault. Decode every message, earn stars for solving without hints, and master the working cipher tools — they work on ANY text you paste in, not just the levels.

Puzzle Arcade

0 / 15 levels · 0 stars 0 / 5 keys

Cipher Tool

Level

VAULT CRACKED

All five worlds cleared and the final chain broken. You think like a cryptanalyst now.

Certificate of Completion

CIPHER BREAKER ARCADE

Awarded to

— enter your callsign below —

Caesar · Atbash & Substitution · Encodings · Vigenère · XOR