The most comprehensive and easy to navigate link directory for anything related to other puzzles and brain activities - games, toys, crosswords, quizzes, trivia, IQ, math and much more.
The main MZ estate: So many puzzles, so little time... and so few puzzle pals! Check back. More puzzles will be added soon!
SquarO is new puzzle game Invented by Marc Lebel, a devoted Sudoku fan from France. Now also with an English version, squaro.fr offers free SquarO puzzles for online play using its own Flash application. Since the beginning of 2007, Lebel says, some French newspapers have decided to publish SquarO's grids.
Puztime is Gakken’s comprehensive online puzzle portal designed for puzzle lovers all over the world. offers a variety of puzzles including unique variations of Number Place, Illust Logic puzzles that reveal whimsical images when completed, Cross Sums with Chinese characters, mazes and much more.
The biggest fun portal – enjoy playing trivia games, puzzles, quizzes, jokes & fun.
A great Sudoku source By Gideon Greenspan, a self-employed software and web developer living in Tel Aviv, and Rachel Lee. Greenspan has a PhD in Computer Science, specializing in bioinformatics. He was born in the UK and emigrated to Israel in 2000.
Award winning Greatest Dot to Dot Books, the most challenging educational connect the dot games, free weekly puzzle samples for kids and adults.
A collection of mind-blowing Brain Teasers, quiz questions and psychometric tests, all designed to stretch your wits to the limit and beyond from this prolific author of puzzle books, IQ Tests and trivia quizzes.
A large collection of logic puzzles, math puzzles, puzzling riddles and other brain teasers
Learn to think out-of-the-box and unleash your creativity! Lots of original creative puzzles and tests with "aha!" answers designed by Lloyd King, author of 'Test Your Creative Thinking'.
Puzzles, Brain teasers, unique wooden puzzle toys.
Offers free daily Sudoku, supplemental information, dedicated forum and a very popular newsletter.
Everything there is to know about Sudoku on the world's most popular online encyclopedia - Rules and terminology, Solution methods, Difficulty ratings, Construction, Variants, Mathematics of Sudoku, History, Popularity in the media, References and External links.
Algebra, geometry, matchstick and logic puzzles, paradoxes, optical illusions, IQ tests and logic games.
Yariv's World of CryptoPics offers its own variation of Nonograms (PAP), downloadable software with a library of extra puzzles to play with it, and a page of CryptoPic and other puzzle links.
Math puzzles and problems collected by Ken Duisenberg.
PuzzleDepot.Com challenges your brain with free puzzles, Shockwave and Flash games, crosswords, logic games, IQ tests, trivia games and contests for prizes.
Wood puzzles by Andy Snowie. Designer of the MindBlock cube and checkerboard puzzle and other puzzles from basic geometric shapes.
Specializes in wire disentanglement puzzles puzzles.ca has been making and selling puzzles since 1979. This website offer a wide variety and degree of difficulty in puzzles where the goal is to separate two interlocked parts, most often a ring or a handle, from the main body of the puzzle.
Addictive puzzle games from Crea-Soft. Mind-crack our games and enjoy yourself!
Quality Interactive Crosswords and Puzzles. A1 Puzzles has over 350 quality puzzles, and with more than 60 new puzzles being added on a monthly basis, this is sure to provide the avid puzzle solver with 1000's of hours of fun.
PottyPuzzles, the web sitefor 'manipulative' or mechanical puzzles, including Burrs, interlocking block, wooden assembly, and wire disentanglement.
See if your brain is up to the task! flooble :: perplexus is a collection various puzzle genres, from simple logic questions and word tricks to in-depth math problems like probability and geometry.
This great page by Ed Pegg Jr., published on September 6, 2005, is the most comprehensive source for Sudoku variants. Will Shortz, Nick Baxter, and Wei-Hwa Huang are also credited for their tremendous help in researching this column. Ed Pegg Jr. is the webmaster for mathpuzzle.com.
All puzzles on this site are Robert A. Kraus’ original work. Most of them are very difficult, and most require the use of a good spreadsheet program in order to be solved. It will take many hours, perhaps days, to solve each puzzle.
The Contest Center is America's oldest puzzle contest company operating under the same name with the same owner.
Mathematicians seek knowledge. In search of knowledge, they enjoy themselves tremendously inventing and solving new problems. Interactive Mathematics Miscellany and Puzzles makes an attempt to present mathematics as an evolving and entertaining subject in which an unsuspecting visitor may take an active part.
On-line puzzle magazine committed to giving solvers free, daily-updated, print magazine-class puzzles. User-friendly, Java interactive solving capabilities and careful construction by experienced print puzzle contributors distinguish CRpuzzles from other web sites.
Good source for IQ tests, puzzles, trivia, games & contests for entertainment & education. AfreeB.com & Puzz.com Newsletter - a puzzle contest in every issue of our daily newsletter.
Thinks.com has the unique distinction of consistently being recognized as a top Education site as well as being a top Entertainment site. This reflects its commitment to the educational value of games and puzzles for all ages.
Find information about language and culture independent puzzles and logic games that are published in puzzle magazines: Domino Logic, Number places, Battleship puzzles and more.
Original free puzzles from this witty Daily Telegraph (UK) brain teaser columnist and puzzle book author. Delightful cartoon illustrations, entertaining recreational mathematics articles and more.
The largest place in the German language Web denoted to puzzles, riddles and other brain food.
Home of the Paradoxical. Featuring puzzles, games, illusions, ideas, riddles, quotations, books, poems and more, all on a paradoxical theme.
A great collection of Fair Dice, Iamonds, Eternity, Mazes, Atom Stability, Dissections, Kites&Bricks, Triangles, Retrograde, Pentagons, Prize Problems, Books, Links, Chaos Tiles, and Partridges by Ed Pegg Jr.
Kevin Stone's unique collection of brain teasers, games and optical illusions. With over 1,200 teasers, 102 awards and around 1,400,000 Visitors per year, this site claims to be the world's most popular brain teaser resource.
The World Puzzle Federation is an international association of puzzlers and puzzlers' groups. It hosts the World Puzzle Championship, an annual event since 1992.
The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors.
Puzzle projects by Peter Grabarchuk, including puzzle products, books and publications, web puzzles and other puzzle activities.
From Tricky and Clever Puzzles through Baffling and Perplexing Illusions to Cognitive Toys.