Across
- 4. – A famous cipher machine from WWII; also a term for something mysterious or hard to understand.
- 5. – Hidden chamber or secret code root; used metaphorically in cryptography.
- 7. – A function or action that calls itself; used in computing and puzzle logic loops.
- 9. – To undo or flip direction; common in audio puzzles and hidden sequences.
Down
- 1. – A continuous cycle in programming or music; can symbolize getting stuck until solved.
- 2. – The Matrix protagonist who deciphers a simulated world.
- 3. – Opposite of forward; to reverse direction or progression, key to many puzzle and code mechanisms.
- 6. – Classic game of fitting falling shapes; often appears in digital-themed challenges.
- 8. – A hint or pointer toward solving a riddle or puzzle.