Quiz game
Beginner
+30 XP
Hash Hunter
Find the correct SHA-256 hash for each string before the clock runs out.
Games
Short, scored challenges. Every score is calculated on the server, so results are always fair.
Matching game
Beginner
+35 XP
Concept Match
Pair every term with the definition that actually describes it.
Quiz game
Intermediate
+40 XP
Cipher Breaker
Crack Caesar-shifted words and recover the original plaintext.
Ordering game
Intermediate
+40 XP
Blockchain Builder
Order shuffled blocks so that every previous-hash link is valid.
Classification game
Beginner
+30 XP
Phishing Detector
Spot the suspicious messages and keep your keys safe.