A1 Puzzles and Crosswords is interactive; it gives you the ability to solve these crosswords while you are on-line. The owner of the site creates them. There are sample crosswords on the site or register with a fee to access all the crossword puzzles.
A lengthy essay on pretty much every aspect of American-style crossword puzzles. It includes an explanation on how to play, relationship between clues & answers, rules for scoring in tournaments, errors in NYT crosswords, etc.
This site features hundreds of downloadable crossword puzzles by Time magazine editor Fred Piscop. All downloads and services are free. Also offers custom-made puzzles (for a fee) for your company and personalized puzzles for your friends and family.
Questique is a strategy crossword board game; rare amongst skill based games, as it can be played by children, families and adults. A simple handicapping system allows mixed ability groups to all compete as equals.
This site contains crosswords, word searches, jigsaw puzzles, words, and wordplay, including Tom Swifties, palindromes, tongue twisters, and silly authors. There is also a daily section of new puzzles.