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John F. Cigas, Ph.D.Associate Professor of Computer Science, Rockhurst University, Kansas City, MO.
World of CryptoPicsYariv'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.
Magic Cube 4DMagicCube4D is a fully functional four-dimensional analog of Rubik's cube. The 4D face is composed of a 3 dimensional block of 3D stickers. The 4D cube has more potential positions than the total number of atoms in the universe.
123greetings.com - Games and PuzzlesWhen you wanna reach out to your pals/ kids/ grandkids in a wacky way n dunno how to... jus' try sending these cool tricks n games to them... they'll really love solving them all!
Tags: greeting
PuzzleDepotPuzzleDepot.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 SnowieWood puzzles by Andy Snowie. Designer of the MindBlock cube and checkerboard puzzle and other puzzles from basic geometric shapes.
Livewire PuzzlesSpecializes 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.
Tags: disentanglement, puzzle
A1 Puzzles and CrosswordsQuality 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.
Chess Games, Chess Boards, Chess setsChess Store offers some of the finest chess sets, chess boards, chess pieces, chess games, chess clocks, chess books, chess com! puters and other chess equipments.
Tags: chess
Mensa PortugalThe purpose of this site is to become the starting point for the creation of Mensa Portugal, the Portuguese group of Mensa. Mensa is a nonprofit organization open to persons who have attained a score within the upper 2% of the general population on an approved and properly supervised intelligence test.
Potty PuzzlesPottyPuzzles, the web sitefor 'manipulative' or mechanical puzzles, including Burrs, interlocking block, wooden assembly, and wire disentanglement.
flooble :: perplexusSee 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.
elogIQFounded by mathematicians, educators, and psychologists, the brains behind elogIQ have spent years of research and development in the pursuit of the best puzzles and brain teasers.
Tags: game
Sudoku VariationsThis 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.
cpsimoes.netPortuguese site about intelligence, definition and measure; Online IQ tests with instant score, the Mental Performance Test and a Puzzle contest; Articles in Portuguese and English; Extensive resources directory, High IQ societies and discussion forums.
Robert Kraus’ MATH and LOGICAll 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 CenterThe Contest Center is America's oldest puzzle contest company operating under the same name with the same owner.
Interactive Mathematics Miscellany and PuzzlesMathematicians 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.
Maurizio Paolini, Ph.D.Full professor of 'Analisi Numerica', Dept. of Mathematics and Physics, Univ. Cattolica del Sacro Cuore di Brescia.
puzz.comGood 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 - the place for family-friendly fun fareThinks.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.
CRpuzzlesOn-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.
Puzzle SpaceFind information about language and culture independent puzzles and logic games that are published in puzzle magazines: Domino Logic, Number places, Battleship puzzles and more.
BarryispuzzledOriginal free puzzles from this witty Daily Telegraph (UK) brain teaser columnist and puzzle book author. Delightful cartoon illustrations, entertaining recreational mathematics articles and more.
Tags: puzzle, brainteaser
Janko.atThe largest place in the German language Web denoted to puzzles, riddles and other brain food.
Japanese-Online.comA resource for everyone interested in studying Japanese, offers Multimedia 16 Japanese lessons including cultural points, Math Lessons taken from Jr. high school and more.
Tags: japanese
The Pencil PagesThe Pencil Pages have become a resource not only for pencil collectors or enthusiasts, but many others who have a tangential interest in information related in some way to pencils.
Tags: pencil
curiouser.co.ukHome of the Paradoxical. Featuring puzzles, games, illusions, ideas, riddles, quotations, books, poems and more, all on a paradoxical theme.
MathpuzzleA 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.
QuandaryNot all computer games are frenzied action or arcade romps! Launched in 1995 Quandary is committed to supporting players who prefer exercising their mind rather than their trigger finger.
Tags: game
BrainBashersKevin 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.
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