MysteryTwister C3

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Please send the challenge you created (packed within a single zip file) to the following address:

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The zip file should contain the following:

  • a challenge description (text document is sufficient, we take care of the formatting),
  • a cipher text,
  • a solution (solution phrase) to be used for automatic feedback to the participating solvers,
  • a suggestion for the level your challenges should be part of,
  • a suggestion to the maximal number of tries, as well as
  • the name of the author of the challenge (optional).
powered by the CrypTool project  CrypTool


   +++    [06:34 - 14.12.2018] D3d4lu5 solved the Level III challenge 'Extended Handycipher — Part 4'    +++    [18:48 - 13.12.2018] CryptoSolver solved the Level I challenge 'A hidden word'    +++    [15:15 - 13.12.2018] Veselovský solved the Level II challenge '"The Road" — Part 1'    +++    [13:42 - 13.12.2018] silva solved the Level I challenge 'A hidden word'    +++    [08:00 - 13.12.2018] csce2018 solved the Level I challenge 'Number Sequence — Part 3'    +++