Open Directory - Games: Puzzles: Brain Teasers
See also: This category in other languages: - A puzzle site featuring a new puzzle format each weekday for each month. Puzzles are fun, educational, entertaining and are also printable. - Puzzles of all descriptions. - Collection of optical illusions, brain teasers and riddles. - Easy, medium and difficult brain teasers without answers. - Collection of logic problems to solve. Printable. - Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities. - A collection of visual and linguistic riddles. - An assortment of entertaining logic puzzles with solutions and indicated levels of difficulties. - Offers riddles, puzzles, optical illusions, and magic tricks. - Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games. - A daily brain puzzle with 10 different tasks and a variety of statistics on your performance. - Brain teasers, puzzles, riddles, games and optical illusions. - A collection of math, logic, and word puzzles. - Collection of solved and unsolved brain teasers. - Includes a huge collection of user submitted and rated brain teasers and riddles. It also has a message board and some unique multi-player games. - It's a challenge to reach the end of this puzzle maze. - Paradoxes, puzzles, games, optical illusions, poetry, curious facts, and quotations. - Featuring all sorts of games, optical illusions, puzzles, trivia, mazes, and magic tricks. Suitable for all ages. - Weekly puzzles and archives. - A collection of brain teasers and riddles with a guess button. - A community based site with competitions, challenges, awards, a help centre, forums and games. - Riddles, illusions, puzzles, and brain teasers. - Crosswords and other word puzzles and games, samples; monthly puzzle magazine; 800,000 word searchable list. - Over 60 brain teasers to enhance your mind. - An on-line puzzle story in twelve weekly installments. - Have fun with games, puzzles, brainteasers and humor as you learn about logic and analysis. - Some real mind benders here. - Riddles, brainteasers, cryptograms, anagrams, and logic puzzles. Compete in eight new contests monthly. - Free, updated, original abstract puzzles for advanced puzzle-solvers. Includes current unsolved puzzle and archive with hints and solutions. - A collection of logic puzzles, riddles and brain teasers. - An archive of many popular puzzles from the rec.puzzles newsgroup. - Collection of visual brain teasers which can be solved by saying what you see. - Huge collection of optical illusions, hidden imagery, ambiguous art and upside downs. - A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles. - Collection of logic problems, logic puzzles and cryptograms with answers. Graded levels of difficulty including some especially for kids. - Recreations for active minds including games, puzzles, math, words, images, books, software and web guide. - Word puzzles, riddles, rebuses, brain teasers, mazes, cliparts and pictures. - Collection of puzzles including riddles, logic puzzles and sequential puzzles. - Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions.
