Explore common words related to famous cryptic codes in this easy crossword puzzle designed for 3rd to 5th graders. Great for building vocabulary with simple clues.
Enigmatic Keys to Hidden Messages is a medium crossword puzzle with 16 clues covering . Play it online for free below, or create your own crossword with our free crossword maker.
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Enigmatic Keys to Hidden Messages
Moderate difficulty suitable for most players
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Across
- 1. Chinese cipher method using numeric substitution
- 2. Polyalphabetic cipher using a repeated keyword
- 4. Ancient alphabet sometimes used as cryptic writing symbols
- 6. Dot and dash system that transmits messages by sound or light
- 8. Well-known shift cipher named after Julius
- 9. Mathematician who helped decrypt Enigma secrets
- 11. Biblical substitution cipher that reverses the alphabet
- 12. Polybius square cipher combined with fractionation
- 15. Type of cipher relying on a common text
Down
- 3. Cipher using a 5x5 letter grid introduced in the 19th century
- 5. Thirteen-letter Caesar shift often used in puzzles
- 7. Ancient Spartan code using a wrapped strip of parchment
- 10. Simple ancient shift cipher named for a Roman leader
- 13. Sculpture with an encrypted message at CIA headquarters
- 14. Famous WWII machine cipher once thought unbreakable
- 16. Code talkers’ language used during WWII communications
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