National Puzzle Day

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Across
  1. 1. The final answer to a puzzle
  2. 3. A mysterious or puzzling thing
  3. 9. A small piece of helpful information
  4. 10. Puzzle made of many interlocking pieces
  5. 12. A puzzle that challenges the mind
  6. 13. Pieces that fit together to form a whole
  7. 14. Points earned in competitive puzzle solving
  8. 16. Word puzzle with clues in a grid
  9. 19. To find an answer or solution
  10. 21. Puzzle solver’s main tool
Down
  1. 2. Reasoning used to solve puzzles
  2. 4. Something unknown to be figured out
  3. 5. Something that tests skill or ability
  4. 6. What you use to think through puzzles
  5. 7. Small pieces used in some puzzles
  6. 8. Repeated design or sequence
  7. 11. Activity with rules and goals
  8. 15. A puzzling question or statement
  9. 17. Plan for solving complex puzzles
  10. 18. Hint that helps solve a puzzle
  11. 19. Number-placement puzzle
  12. 20. Code or secret writing