Java and Shockwave Puzzles
- Daily Jigsaw Puzzles
- Dozens and dozens of free online jigsaw puzzles.
- Unique interactive puzzles and mazes.
- Alien Tiles
- Fiendishly difficult puzzle by Dr. Cliff Pickover and Cam Mckechnie.
- Wheel of Fortune
- Online version of Wheel of Fortune.
- The Maze
- Graphical maze. Solve it in the least number of moves.
- E N I G M A: the image shuffling, puzzle toy for the Web.
- Puzzle Prime - Brain teasers, puzzle problems, online games, reviews, and more.
- Puzzles And Riddles - Riddles, brainteasers, lateral thinking problems, spot the difference pictures.
- Printable Puzzles - High-res PDF puzzles. Word Search, Crossword, Sudoku, and more.
- PeterPuzzle - Website of puzzle designer Peter Grabarchuk.
- Puzzles of Leonid Mochalov - Website of the Russian inventor of puzzles and author of books.
- Pentomino - Pentomino information, problems, and exercises.
- Sam Loyd - Info about Sam Loyd and his puzzles. Download his "Cyclopedia of 5000 Puzzles".
- AgeOfPuzzles.com - Interactive and printable puzzles, plus lots of puzzle links and resources.
- Nick's Mathematical Puzzles
- Math puzzles with hints, answers, and fully worked solutions.
- Free daily Sudoku puzzles. Play online or print them.
- Terry Stickels.com
- Official website of puzzle author and speaker Terry Stickels.
- Aha! Puzzles
- Original creative puzzles, books, and tests designed by Lloyd King.
- Barry R. Clarke
- Liar problems, number conundrums, matchstick puzzles, lateral mind-benders.
- Identify the objects in the photos and win weekly prizes.
- User submitted and ranked brain teaser, mind puzzles and
- The Contest Center
- Puzzles, Riddles, and Contests for cash.
- IQ Test
- IQ, Aptitude & Personality Tests.
- Paradoxes, puzzles, games, illusions, poetry, curious facts, quotations.
- A great resource for Puzzles, Illusions, Tricks, and other Fun on the internet.
- Free Puzzles
- Lots of puzzles: Logic, Math, Weight, Moves, Geometry...
- Ed Pegg Jr's wonderful site full of math puzzles and mathematical recreations.
- Lateral Puzzles
- A forum for fans of lateral thinking puzzles.
- IQ tests, puzzles, games, trivia, freebies, & contests for prizes.
- A matabooboo of logic puzzles, math puzzles, language puzzles and paradoxes.
- Archimedes' Laboratory
- Hands-on thinking games which help teach mathematical applications.
- The Ultimate Puzzle Site
- Basic & Math Puzzles, Brain-Teasers, Complex Problems.
- Antique Puzzle Trade Cards
- Our own section on puzzle trade cards.
Puzzle Newsgroups and Forums
Puzzle Archives and FAQ's
- Pax Puzzle - Handcrafted wood, metal and rope brain teasers.
- PUZZLED - Handcrafted wooden Jigsaw puzzles and toys.
- Crafty Puzzles Company - Puzzles, Brain Teasers, and Wooden 3D Jigsaws.
- Puzzle Mist - Unique wooden brain teasers and puzzles.
- Creative Crafthouse - Handcrafted brain teasers, puzzles, and games.
- Atlantis Games & Art - Puzzles, Board Games, Freeware, & more..., by Dr. Karl Scherer.
- Puzzle Box World - Japanese Secret Puzzle Boxes and more, from around the World.
- Puzzle Ring Solution - Video instructions for putting a puzzle ring together (DVD or download).
- Quagmire Puzzle Boxes - Completely original handcrafted wooden puzzle boxes.
- Conceptis Puzzles - Supplier of picture logic puzzles to publishers. Free online samples.
- Gemani Games & Puzzles - Traditional board and table games, and mechanical and 3D puzzles.
- DanLock the Trick Lock - An original puzzle lock designed by Dan Feldman.
- Cubic Dissection.Com - Puzzles on display. Handcrafted wooden puzzles for sale.
- Gamepuzzles - Original, handcrafted and lasercut award-winning games and puzzles, the Web's largest collection of polyomino and polyform tilings and tessellations.
- Crossword puzzle software and online crossword, acrostic, and cryptogram puzzles.
- Puzzle Connection
- Software for Crossword and Word Search construction. Weekly puzzles.
- Puzzle Express - Puzzle shareware for Windows 95/98/2000/NT, and Windows CE & Pocket PCs.
- All Jigsaw Puzzles - A wide range of jigsaw puzzles.
- Rubik's - The Official Rubik's Web Site.
- Meffert's Puzzles and Novelties - 3d puzzle sales, solutions, contests, and puzzle forum.
- Mr Puzzle - Handcrafted wood and metal mechanical puzzles.
- Cleverwood Crafts - High quality wooden mechanical puzzles and secret opening boxes.
- MGC's custom wooden jigsaw puzzles - Hand-cut puzzles utilizing your personal picture(s).
- The Puzzle House - High quality jigsaw puzzles.
- The Puzzle Depot: - Crosswords, Puzzles, Trivia, Shareware and Prize Contests.
- Jigsaws To Order
- Custom Jigsaw Puzzles.
Sliding Piece Puzzles
Downloads - Freeware, Shareware, Demos
- Macintosh OS
- An out-of-print computer puzzle game.
- Heaven & Earth
- An out-of-print computer puzzle game.
- Info-Mac Hyperarchive Root (MIT) (Search word=puzzle)
- CNET Download.com
- Puzzle category for Mac game software at CNET Download.com
- MS-Windows 95/98/ME/XP