Find out about codes in wartime, how they were used and how the German Enigma code was broken during the Second World War. Follow the arrows to make the journey from the earliest codes used in ancient Greece to the code-breakers at Bletchley Park.
Find out about codes in wartime, how they were used and how the German Enigma code was broken during the Second World War.
Follow the arrows to make the journey from the earliest codes used in ancient Greece to the code-breakers at Bletchley Park.
Enigma home
Codes in wartime
Making codes
Codes and ciphers
Breaking codes
Codes in history
Morse code
The Enigma Machine
The U-boat threat
Inside a 'Y' Station
Bletchley Park
Bombes
Code books
Colossus
ULTRA
The code-breakers' legacy
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