Here's an HTML crossword on diabetes. Click on it and it should download and open in your browser.

www.manythings.org is a fun study site for learners of English as a Second Language: Word games, puzzles, quizzes, exercises, slang, proverbs and much more

The Discovery Education Puzzlemaker enables you to make a number of puzzles online. They also sell a version for use on your own computer.

Bogglesworld is a site geared for English teachers and provides useful tools and resources.