See also:

• Games: Video Games: Puzzle  (980)
• Science: Math: Recreations: Games and Puzzles  (74)

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	Turkish  (5)

Able2Know - Message board of user submitted riddles and brain teasers..

Abnorm's Conundrums - Easy, medium and difficult brain teasers without answers..

All-Star Puzzles: Logic Problems - Collection of logic problems to solve. Printable..

The Amazing Art Site - Huge collection of optical illusions, hidden imagery, ambiguous art and upside downs..

Archimedes' Laboratory - Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities..

AVAV - Collection of optical illusions, brain teasers and riddles..

Bill's Brain Teasers - A collection of visual and linguistic riddles..

Brain Juice - An assortment of entertaining logic puzzles with solutions and indicated levels of difficulties..

Brain Teaser World - Offers riddles, puzzles, optical illusions, and magic tricks..

Brain Teasers - Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games..

BrainBall - A daily brain puzzle with 10 different tasks and a variety of statistics on your performance..

BrainBashers - Brain teasers, puzzles, riddles, games and optical illusions..

BrainBoggled.com - A collection of math, logic, and word puzzles..

Braingle - Brain Teasers & Riddles - Includes a huge collection of user submitted and rated brain teasers and riddles. It also has a lively message board and some unique multiplayer games..

BrainVista - Collection of solved and unsolved brain teasers..

Confusion - It's a challenge to reach the end of this puzzle maze..

Curiouser.co.uk - Paradoxes, puzzles, games, optical illusions, poetry, curious facts, and quotations..

Eluzions - Featuring all sorts of games, optical illusions, puzzles, trivia, mazes, and magic tricks. Suitable for all ages..

Eyetricks: Brain Teasers - Weekly puzzles and archives..

A Game A Day - A puzzle site featuring a new puzzle format each weekday for each month. Puzzles are fun, educational, entertaining and are also printable..

Gray Watson's Brain Teasers and Riddles - A collection of brain teasers and riddles with a guess button..

The Grey Labyrinth - A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles..

Had To Play On - A community based site with competitions, challenges, awards, a help centre, forums and games..

iRIDDLER - Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions..

Just Riddles and More - Riddles, illusions, puzzles, and brain teasers..

The Logic Zone - Collection of problems with answers, logic puzzles and cryptograms..

National Puzzlers' League - Crosswords and other word puzzles and games, samples; monthly puzzle magazine; 800,000 word searchable list..

PedagoNet Brainers - Over 60 brain teasers to enhance your mind..

Planetarium - An on-line puzzle story in twelve weekly installments..

Professor Tangent - Have fun with games, puzzles, brainteasers and humor as you learn about logic and analysis..

Puzzability - Some real mind benders here..

Puzzle Contest Center - Riddles, brainteasers, cryptograms, anagrams, and logic puzzles. Compete in eight new contests monthly..

A Puzzlemakers Site - Puzzles of all descriptions..

Puzzles Without Rules - Free, updated, original abstract puzzles for advanced puzzle-solvers. Includes current unsolved puzzle and archive with hints and solutions..

Pzzls - A collection of logic puzzles, riddles and brain teasers..

Rec.puzzles Archive - An archive of many popular puzzles from the rec.puzzles newsgroup..

Roh'El's Riddles - Offers brainteasers rated by difficulty and category..

Say What You See! - Collection of visual brain teasers which can be solved by saying what you see..

Sesquip Word Games - Challenging word games published in newspapers..

The Stone - an online mystery game. Hours of clever puzzles and riddles. Puzzles challenge the mind of serious and amateur players worldwide..

Thinking Game Forums - Chat and discussion about online thinking games..

Thinks.com - Recreations for active minds including games, puzzles, math, words, images, books, software and web guide..

Unitix Entertainment - Online games, puzzles and other interactive brainteasers. Fun for all ages..

Word Juxtapoz - Word puzzles, riddles, rebuses, brain teasers, mazes, cliparts and pictures..

Zuzzle Puzzles - Collection of puzzles including riddles, logic puzzles and sequential puzzles..