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Eskenzi Cyber Book & Film Club

The Imitation Games – A Series of Puzzles

The Imitation Game is a historical film that follows the life of mathematician, Alan Turing, as he endeavours to decrypt German messages during World War II for the British government. While the film’s accuracy is certainly debatable, Turing’s accomplishments in real life have had an undeniable and profound impact on the future of technology. Indeed, one could say he was the pioneer of the first digital computer.

The computer has come a long way since then, and cryptography too has transformed. But we thought we would go back to the basics. Below we have a series of puzzles for you to decipher! Each puzzle is tied to Alan Turing and the film. (Answers are below)

Q1: Try to rebuild the message

The letters from each cell are below the puzzle.
Try to rebuild the original message by choosing the letters for each cell.



Q2: Decode the message

Each letter in the phrase has been replaced with a random letter or number.
Try to decode the message.


Q3: This puzzle is a word search puzzle that has a hidden message in it

First find all the words in the list. Words can go in any direction and share letters as well as cross over each other. Once you find all the words. Copy the unused letters starting in the top left corner into the blanks to reveal the hidden message.

artificial bletchley cryptanalysis
data decryption encryption
information intelligence machine
park puzzles science


___ ___ ___ ___ ___ ___ ‘ ___   ___ ___ ___ ___ ___ ___ ___ ___ ___

___ ___   ___ ___ ___ ___ ___ ___ ___   ___ ___ ___ ___ ___

___ ___ ___ ___ ___ ___ ___ ___   ___ ___ ___   ___ ___ ___

___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ ___   ___ ___   2 0 1 3



Q4: Solve the anagrams to reveal the letters for the final message

Solve the anagrams in the top part of the puzzle. Use the circled letters from the words in the top part to complete the final word or phrase at the bottom. Each circled letter is used just once.