Trailblazer / Innovator / ~2 hrs
The Secret Signal Society
Kids design a real secret-communication system inspired by modern cryptography. They’ll invent codes, test weaknesses, and share how their system holds up.
Explorer / Beginner / ~1 hrs
Password Treasure Map
Hide a secret password inside a map of clues, design puzzles and symbols, and challenge friends to decode your treasure trail and find the hidden word.
Pathfinder / Beginner / ~1 hrs 30 mins
Secret Pawcodes: A Cryptography Quest with Dogs
Design dog-themed secret 'pawcodes'—hide messages, crack puzzles, and build a playable code-game inspired by chess strategy and gamer instincts.
