The Alan Turing Cryptography Competition

2025 edition. From the people behind the MathsBombe Competition.
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Archive

Here you can find links to puzzles in previous editions of the Alan Turing Cryptography Competition. Not all previous editions are currently available, but we we aim to make more available in due course.

2024

Visit the 2024 competition.

The thirteenth edition of the competition.

2023

Visit the 2023 competition.

This was the twelfth edition of the competition.

2012: Search for the Turing Treasure

Visit the 2012 competition.

This was the first edition of the competition. Mike and Ellie got entangled in a search for the illustrious 'Turing Treasure' which led them on a tour along several famous places in Manchester, having to solve cryptographic puzzles on their way. Also, they were not the only ones on the hunt for this treasure...

The three best teams in the competition were:

1. zyyxw-vuztvx (Abbey Grange C of E Academy, Leeds)
2. KnightsRadiant (St Margarets CoE Academy, Liverpool)
3. thepeoplewhodecipherstuff (The King's School, Macclesfield).

Alan Turing Cryptography Competition 2025 is organised by the The Department of Mathematics at The University of Manchester.
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