American Crossword Puzzle Tournament – Directed by New York Times Crossword Puzzle Editor Will Shortz, this is the nation’s oldest and largest crossword competition.
CrosScan Puzzles – CrosScan is a challenging blend of word search and crossword. This is a distinct variety of word puzzle, different from all the others.
Crosswords-Cat – Wordsearch, fitwords and crosswords in many languages. Combine fun with knowledge!
Cryptoquotes – Play this online game based on the popular newspaper quote solving puzzle!
Futoshiki – A numbers puzzles whose challenge may be greater-than you think!
JSPuzzles Jigsaw Puzzles – Free online Jigsaw puzzles site, featuring a daily puzzle and a gallery of user photos.
Kakuro – This sequel to sudoku takes numbers to the next level!
Puzzle Express – Features crossword, sudoku, word search and other word games for Windows and Pocket PCs. Also online games and puzzle books.
Puzzle iT – is about Puzzles, Anagrams, SuDoku, Mobile Content, TV Formats like Game Shows, Quizzes, contests and everything around all these Great, Entertaining, Intellectual and Educational Things.
Puzzles.com – The world’s best resource for puzzling on the Internet – is about Puzzles, Illusions, Tricks, Toys, and everything around all these Great, Funny, Entertaining, Intellectual and Educational Things.
Puzzles of Leonid Mochalov – Leonid Mochalov is an incredibly talented Russian puzzle creator whose puzzles are well-known and popular in Russia and all over the World.
Sudoku Styles – Play sudoku puzzles on the web plus many different variations in this All-in-One game.
The Puzzle Syndicate – Crossword and sudoku puzzles for weekly and monthly newspapers.
Webvroom Puzzles – Free word search puzzles, number search puzzles and sudoku puzzles. Printable and suitable for kids and adults. Good for learning, education or for personal enjoyment.