Crossword

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Across
  1. 6. Puzzle or mystery
  2. 7. Confusing puzzle
  3. 8. Puzzle with hidden words
  4. 12. Secret code
  5. 13. Brainteaser or challenge
  6. 14. Answer to a problem
  7. 15. Tactics or approach
  8. 16. Mysterious or puzzling
  9. 17. Rearranged word or phrase
  10. 19. Logical conclusion
  11. 21. Complex network of paths
  12. 23. Number-placement puzzle
  13. 24. Test of abilities
  14. 25. Picture puzzle with words
  15. 27. Puzzle to solve
  16. 28. Puzzle with interlocking pieces
Down
  1. 1. System of symbols
  2. 2. Something unexplained
  3. 3. Puzzling question
  4. 4. Contradictory statement
  5. 5. Clever use of language
  6. 9. Hint or indication
  7. 10. Word game in a grid
  8. 11. Reasoning or rationality
  9. 16. Perplexing problem
  10. 18. Test of knowledge
  11. 20. Difficulty or issue
  12. 22. Group creativity session
  13. 24. Acting out a word or phrase
  14. 26. Plan of action