CrosswordMint
Secrets Behind Historic Cryptic Codes
Moderate difficulty suitable for most players
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Across
  • 1. Native American code talkers’ famous language code
  • 2. Famous placeholder name associated with codebreaking
  • 3. Married to a cipher type shifting alphabets
  • 4. First digraph substitution cipher used in British military
  • 5. Spartan device using a wrapped rod for encryption
  • 6. Word used in famous WWII code name for communications
  • 11. World War II cipher machine cracked by Turing
  • 13. Dot-and-dash system transmitting letters
  • 15. Legendary cipher involving hidden treasure clues
  • 16. U.S. WWII cipher machine rivaling Enigma's complexity
Down
  • 7. Ancient Greek cipher using a 5x5 grid
  • 8. Combined fractionation cipher developed in early 1900s
  • 9. Simple substitution cipher named after a Roman leader
  • 10. Polyalphabetic cipher known for its repeating key
  • 12. General term for secret writing or code
  • 14. Ancient Hebrew cipher reversing the alphabet
  • 17. Simple letter substitution cipher shifting letters halfway
  • 18. Last Greek letter often used in code contexts
  • 19. Transparent sheet used to reveal hidden messages
  • 20. WWI German cipher combining fractionation and transposition

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