Across
- 6. Plan of action
- 8. Logical thinking
- 11. Number puzzle game
- 13. Related to the mind
- 14. Repeated design
- 15. Ability to recall
Down
- 1. Challenge to solve
- 2. Center of attention
- 3. Ordered arrangement
- 4. Mark with meaning
- 5. Hard puzzle
- 7. Question with a twist
- 9. Solution to a problem
- 10. Sentence to ask
- 12. Secret code