A Fun Zone! - If you've got some time on your hands, A Fun Zone is sure to entertain! Home to over 1000 Brain Teasers and 650+ free to play games. A Fun Zone offers an absolutely enormous archive of free puzzles, games, brainteasers, quizzes, IQ tests, trivia, contests, and free stuff.
Aha! Puzzles - Hundreds of NEW and FUN creative "Aha!" puzzles designed by Lloyd King to improve your lateral thinking and help you learn to think 'outside the box'!
American Crossword Puzzle Tournament - Directed by New York Times Crossword Puzzle Editor Will Shortz, this is the nation's oldest and largest crossword competition.
BrainBashers - Brain teasers, puzzles, online games, optical illusions and jigsaws.
Common Ground - This unique letter-matching-sequence game is available as a board game, iPhone app, puzzle book or online.
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.
Crossword Grids - Free crossword grid designs for crossword puzzles in a variety of sizes.
Curiouser UK - Paradoxical puzzles, tricks, illusions, games, poems, quotations and more. 9 out of 10 respondents say curiouser.co.uk is the curiousest.
Dowedo - All Free online Crosswords, the only online Crossword Compiler with Find and Fit, thesaurus, anagrams and dictionary. Daily online Sudoku puzzles.
JSPuzzles Jigsaw Puzzles - Free online Jigsaw puzzles site, featuring a daily puzzle and a gallery of user photos.
Puzzle Express - Features crossword, sudoku, word search and other word games to play online or print out. Also puzzle books.
Puzzle Games - This site features some of the most addictive and challenging puzzles games that can be found anywhere on the Internet.
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.
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.
Word Search Addict - Select from 100 different word search puzzles to solve online, or print your favorites to solve the old-fashioned way.