Just some fun pages about cryptograms, codes and ciphers.

• Build a simple polyalphabetic cipher machine
• Build Captain Gary's Secret Decoder Rule
• The Skiptogram - an easy mechanical encoding device
• Build a working WWII Enigma Cipher Machine
• The Game Tile Cipher
• Using coincidence to attack polyalphabetic ciphers
• How I cracked the "Bored Guru" Cipher Challenge
• Pattern Word Dictionary

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