- Crosswords by Myles Mellor - Offers themed, interactive and competition puzzles.
- Master Puzzles - Designed by Guinness world record holder Timothy Parker and dozens of masters. Also offers custom trivia games.
- Motor-Cross Crossword - Offers custom automotive-themed crosswords with links to online and offline puzzles.
- Personal-Puzzles.com - Provides personalized freeform crossword and word search puzzles.
