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Ciphers & Cryptography

2 apps to play — grouped by age.

Ages 9–14 · Grades 4–8

Logic & STEM

CipherForge

Ages 9–12 · Gr 4–7 Level 2

Run a spy agency — build and break secret codes on a cipher workbench, crack Caesar ciphers with frequency analysis, identify mystery ciphers, and learn cryptography across 16 kits.

Play CipherForge →
Logic & Puzzles

DeduceQuest

Ages 9–12 · Gr 4–7 Level 3

Deduction & code-breaking — crack a hidden colour code, solve nonograms and logic grids, and guess the hidden rule, all framed as predict-observe-explain. A wrong guess isn’t a miss, it’s a clue.

Play DeduceQuest →

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