Across
- 3. – Most common format with black squares separating answers.
- 8. – Answers are clued and arranged alphabetically, not numerically.
- 9. – Clues where words are removed from a sentence.
- 10. – Clues/answers that use symbols or multiple letters in one square.
Down
- 1. – Grid that uses thick bars instead of black squares.
- 2. – A subtle or hidden theme not revealed directly.
- 4. – A puzzle where answers radiate from a center.
- 5. – Grid is blank; answers must be placed without clue numbers.
- 6. – A hidden word or message embedded in the grid (often unnoticed).
- 7. – Clue based on a letter-substitution system or code.
