Puzzle Art

• Matchbox Gallery - Reversible art. Topsy-turvy faces on antique matchbox labels.
• Ambigram.Matic - Instantly create an ambigram with this Online Ambigram Generator.
• SegPlay - Interactive time limited Paint-by-Number challenge. Numerous pictures.
• Hop's Escher Tiles - Escher-type tessellations.
• Peter Raedschelders - Tilings, tessellations, and other unusual prints.
• Jill Britton - Homepage of Jill Britton, tessellation author, consultant, teacher, conference speaker.
• Inversions - Calligraphic inversions by Scott Kim.
• Crompton Tessellations - An assortment of tessellated puzzle art.
• Tessellation Resources - List of books, articles, and software, relating to tessellations.
• Tessellation Tutorials - Tutorials and templates for making your own tessellations.
• FTP Escher Pictures - Escher art at the 'ftp.sunet.se' archive.

Java and Shockwave Puzzles

• Kadon's Puzzle Parlor - Online polyform, tiling, and edgematching puzzles.
• Shockwave Puzzle Games - A lot to choose from including Tetris and Mah Jong Solitaire.
• MazeWorks - Java puzzles, games, and daily chess problems.
• CheesyGames - Several Java puzzles by Emmett Henderson.

Interactive Puzzles

• Daily Jigsaw Puzzles - Dozens and dozens of free online jigsaw puzzles.
• Clickmazes - Unique interactive puzzles and mazes.
• Alien Tiles - Fiendishly difficult puzzle by Dr. Cliff Pickover and Cam Mckechnie.
• Jeopardy - Online version of Jeopardy.
• Wheel of Fortune - Online version of Wheel of Fortune.
• The Maze - Graphical maze. Solve it in the least number of moves.
• Enigma - E N I G M A: the image shuffling, puzzle toy for the Web.

Mechanical Puzzles

• Classical Chinese Puzzles - Photos and histories of traditional Chinese puzzles.
• Puzzle Collection - Photographs of all kinds of mechanical puzzles.
• Impossibottle! - Impossible bottles and other impossible objects.
• Rob's Puzzle Page - Mechanical puzzle collection. Lots of pictures and information.
• Puzzle will be played - Compendium of interlocking-solid and put-together puzzles.
• PuzzleSolver - Solutions for your mechanical puzzles.
• Technology of Wonders - The puzzles of designer and inventor Viktor Genel.
• Brass Puzzles By Rocky - Hand machined brass puzzles made by Rocky Chiaro.
• Matti's Puzzle Page - View the large puzzle collection of Matti Linkola.
• A Puzzlebox Page - Pictures of puzzleboxes, and an excellent list of puzzlebox links.
• Antique Padlock Collection - A great display of antique padlocks, including Trick Locks!
• Tangrams - Tangrams, including history, making, designs and links.
• JvK Wood Puzzles - Wooden interlocking puzzles.
• Puzzle Ring Solution - Solution for putting a four-band puzzle ring together.
• The Puzzle Museum - Information about mechanical puzzles.
• Mechanical Puzzles Homepage - Martin H. Watson's world of puzzles.
• Tangrams - Tangram information from the Centre for Innovation in Mathematics Teaching.
• Puzzle World - Comprehensive site dedicated to mechanical puzzles.
• The Vanishing Leprechaun - An explanation of the puzzle where 15 leprechauns become 14.
• The Burr Puzzles Site - IBM site all about burr puzzles.
• Jim's Puzzle Collection - Mechanical Puzzle Collection of Jim Lewis.
• Mark Longridge's Rubik's Cube Site - Rubik's cube solutions, resources, and links.

Puzzle Trade Cards

• Card Mine - Puzzle Section - "Hidden Object" and "Find The Fault" puzzle trade cards.
• Antique Puzzle Trade Cards - Our own section on puzzle trade cards.

Miscellaneous Puzzles

• 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.
• pzzls - Logic puzzles, puzzling riddles and math puzzles.
• Number Logic - 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.
• MysteryPhotos.com - Identify the objects in the photos and win weekly prizes.
• Braingle - User submitted and ranked brain teaser, mind puzzles and riddles.
• The Contest Center - Puzzles, Riddles, and Contests for cash.
• IQ Test - IQ, Aptitude & Personality Tests.
• curiouser.co.uk - Paradoxes, puzzles, games, illusions, poetry, curious facts, quotations.
• Puzzles.com - A great resource for Puzzles, Illusions, Tricks, and other Fun on the internet.
• Free Puzzles - Lots of puzzles: Logic, Math, Weight, Moves, Geometry...
• Mathpuzzle.com - Ed Pegg Jr's wonderful site full of math puzzles and mathematical recreations.
• Lateral Puzzles - A forum for fans of lateral thinking puzzles.
• Puzz.com - IQ tests, puzzles, games, trivia, freebies, & contests for prizes.
• BrainBashers - A matabooboo of logic puzzles, math puzzles, language puzzles and paradoxes.
• Archimedes' Laboratory - Hands-on thinking games which help teach mathematical applications.
• thinks.com - Brain games. Free online daily jigsaw, crossword, and word search puzzles.
• The Ultimate Puzzle Site - Basic & Math Puzzles, Brain-Teasers, Complex Problems.

Puzzle Newsgroups and Forums

• Puzzle World Forums - Discussions about all things relating to mechanical puzzles.
• rec.puzzles - Newsgroup
• rec.puzzles.crosswords - Newsgroup

Optical Illusions

• eyetricks.com - Optical illusions, stereograms, brain games, and other oddities.
• Exploratorium Online Exhibits - Interactive illusions with explanations. (Requires Shockwave plug-in)
• Visual Illusions - Introduction to artistic illusions with explanations and examples.
• Counter-Rotating Spirals Illusion - Animated aftereffect optical illusion with detailed explanation.

Puzzle Archives and FAQ's

• rec.puzzles archive (HTML)

Sudoku

• Sudoku Online - Free online Sudoku flash games created by various developers.
• Sudoku - Printable sudoku puzzles. Several levels of difficulty.
• Sudoku Puzzles to Print - Printable and online sudoku puzzles. Many levels of difficulty.
• Sudoku XL - Millions of sudoku puzzles. Play online or print up to 6 puzzles per page.
• Samurai Sudoku - 1000's of free samurai sudoku puzzles in 3 levels of difficulty.
• Griddler.co.uk - Daily online Sudoku and Wordoku puzzles.
• Soduko Puzzle Games - Free playable online Sudoku games.
• Web Sudoku - Billions of Free Sudoku Puzzles to Play Online.
• FREE Printable Sudoku Puzzles - Sudoku puzzles to print and solve. Two per page.

Puzzle Sellers

• 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.
• Crossdown - 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.
• R&A Media - Manufacturer of wood puzzles based on simple geometric shapes.
• 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

• The Sliding Block Puzzle Page - Large selection of online sliding block puzzles.
• Sam Loyd's Fifteen - The puzzle that was invented by Sam Loyd more than a hundred years ago.

Word Puzzles

• The Acrostic Connection - Free online acrostic puzzles. Includes a Leader Board
• Hangman - Online version of the popular game.
• NetCrostics - Hundreds of free online Acrostic puzzles.
• Word Search Worksheets - Word search puzzles for grades 1 to 8 as well as theme puzzles.
• Puzzlr - Word Puzzles - Word Puzzles to play and solve online.
• Infinite Crossword Generator - Automatically generates crossword puzzles with clues.
• Charity Word Game - By solving free word game puzzles, real donations are made to charity.
• Wordsearch Generator - Software for creating Wordsearch puzzles.
• Webvroom - Word search puzzles for kids and adults, suitable for educational and recreational use.
• Create a Word Find Puzzle - Wordsearch maker. Go to the bottom part of the page.
• Puzzle Corner - Daily wordsearch puzzle (Unused letters form a hidden word).
• Word Search Puzzles - Free printable word search puzzles.
• Puzzlemaker - Puzzle generation tool for word search, crossword, and math puzzles.
• Rainbow Charity Puzzles - Word Puzzle contest. Entry fee. Profits donated to charity.
• Crossword Puzzles - Crossword puzzles link list.
• John's Word Search Puzzles - Many word search puzzles to download and print.
• Metacrostics - Acrostic puzzles by Arthur Bloch.
• Word Search Puzzles - Free printable word search puzzles.

Downloads - Freeware, Shareware, Demos

• Macintosh OS
  • Ishido - An out-of-print computer puzzle game.
  • Heaven & Earth - An out-of-print computer puzzle game.
  • Info-Mac - Info-Mac Hyperarchive Root (MIT) (Search word=puzzle)
  • CNET Download.com - Puzzle category for Mac game software at CNET Download.com
     
    
• MS-DOS
  • dosgames.com - Puzzle games.
     
    
• MS-Windows 95/98/ME/XP
  • Computer-Game.Us - Lots of puzzle games to download.
  • Redclaw Games - The Goobs, Blockout, Trilix, and an excellent Software Link Directory.
  • Knowledge Probe Inc. - Educational word games and math puzzles.
  • Brian's Puzzle Page - Free puzzles for Windows 3.1 and Windows 95.
  • CNET Download.com - Puzzle category for Windows 98 game software at Download.com
  • Pass The Shareware - Crosswords, jigsaw puzzles, mah jongg, word games, tetris style, etc.