Level X Challenges (18)
Page 1 of the challenges in
Level X, ordered by date posted (the most recent appear first).
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The Vatican owns some encrypted manuscripts waiting for decryption. Can you find the solution for a message from 1721? Read more...
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Author:
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Published on: 2019-06-25 17:14 |
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Maximum number of attempts for this challenge: 15 |
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