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Codebreaker challenge

Set by GCHQ. Inspired by Alan Turing.

Cipher Office Distribution

Turing worked at Bletchley Park cracking the Enigma system the Germans used in their wartime communications. His successors at GCHQ have created ten challenges to see how you'd fare as a codebreaker.

Complete them all to unlock Enigma's secrets.

Sceience Museum Exhibition