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- Optical Illusions (27)
- Riddles (30)
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PUZZLES BRAIN TEASERS
Top -> Games -> Puzzles -> Brain Teasers (223)
All-Star Puzzles: Logic Problems
Collection of logic problems to solve. Printable.
www.allstarpuzzles.com
Collection of logic problems to solve. Printable.
www.allstarpuzzles.com
Brain Teaser World
Offers riddles, puzzles, optical illusions, and magic tricks.
www.brainteaser-world.com
Offers riddles, puzzles, optical illusions, and magic tricks.
www.brainteaser-world.com
Gray Watson's Brain Teasers and Riddles
A collection of brain teasers and riddles with a guess button.
256.com
A collection of brain teasers and riddles with a guess button.
256.com
The Logic Zone
Collection of problems with answers, logic puzzles and cryptograms.
myweb.tiscali.co.uk
Collection of problems with answers, logic puzzles and cryptograms.
myweb.tiscali.co.uk
Rec.puzzles Archive
An archive of many popular puzzles from the rec.puzzles newsgroup.
rec-puzzles.org
An archive of many popular puzzles from the rec.puzzles newsgroup.
rec-puzzles.org
The Amazing Art Site
Huge collection of optical illusions, hidden imagery, ambiguous art and upside downs.
members.lycos.nl
Huge collection of optical illusions, hidden imagery, ambiguous art and upside downs.
members.lycos.nl
Curiouser.co.uk
Paradoxes, puzzles, games, optical illusions, poetry, curious facts, and quotations.
www.curiouser.co.uk
Paradoxes, puzzles, games, optical illusions, poetry, curious facts, and quotations.
www.curiouser.co.uk
Say What You See!
Collection of visual brain teasers which can be solved by saying what you see.
www.eyetricks.com
Collection of visual brain teasers which can be solved by saying what you see.
www.eyetricks.com
BrainBall
A daily brain puzzle with 10 different tasks and a variety of statistics on your performance.
brainball.playwithyourmind.com
A daily brain puzzle with 10 different tasks and a variety of statistics on your performance.
brainball.playwithyourmind.com
Brain Juice
An assortment of entertaining logic puzzles with solutions and indicated levels of difficulties.
www.brainj.net
An assortment of entertaining logic puzzles with solutions and indicated levels of difficulties.
www.brainj.net
Had To Play On
A community based site with competitions, challenges, awards, a help centre, forums and games.
www.hadtoplayon.com
A community based site with competitions, challenges, awards, a help centre, forums and games.
www.hadtoplayon.com
Professor Tangent
Have fun with games, puzzles, brainteasers and humor as you learn about logic and analysis.
www.professortangent.org
Have fun with games, puzzles, brainteasers and humor as you learn about logic and analysis.
www.professortangent.org
Word Juxtapoz
Word puzzles, riddles, rebuses, brain teasers, mazes, cliparts and pictures.
www.wordjuxtapoz.com
Word puzzles, riddles, rebuses, brain teasers, mazes, cliparts and pictures.
www.wordjuxtapoz.com
Zuzzle Puzzles
Collection of puzzles including riddles, logic puzzles and sequential puzzles.
www.zuzzle.com
Collection of puzzles including riddles, logic puzzles and sequential puzzles.
www.zuzzle.com
Brain Teasers
Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games.
brainden.com
Brain teasers, riddles, logic puzzles and problems, paradoxes, optical illusions, IQ tests and logical games.
brainden.com
Puzzle Contest Center
Riddles, brainteasers, cryptograms, anagrams, and logic puzzles. Compete in eight new contests monthly.
www.contestcen.com
Riddles, brainteasers, cryptograms, anagrams, and logic puzzles. Compete in eight new contests monthly.
www.contestcen.com
iRIDDLER
Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions.
www.iriddler.com
Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions.
www.iriddler.com
National Puzzlers' League
Crosswords and other word puzzles and games, samples; monthly puzzle magazine; 800,000 word searchable list.
www.puzzlers.org
Crosswords and other word puzzles and games, samples; monthly puzzle magazine; 800,000 word searchable list.
www.puzzlers.org
Eluzions
Featuring all sorts of games, optical illusions, puzzles, trivia, mazes, and magic tricks. Suitable for all ages.
eluzions.com
Featuring all sorts of games, optical illusions, puzzles, trivia, mazes, and magic tricks. Suitable for all ages.
eluzions.com
Thinks.com
Recreations for active minds including games, puzzles, math, words, images, books, software and web guide.
www.thinks.com
Recreations for active minds including games, puzzles, math, words, images, books, software and web guide.
www.thinks.com
Archimedes' Laboratory
Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities.
www.archimedes-lab.org
Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities.
www.archimedes-lab.org
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.
www.agameaday.com
A puzzle site featuring a new puzzle format each weekday for each month. Puzzles are fun, educational, entertaining and are also printable.
www.agameaday.com
Puzzles Without Rules
Free, updated, original abstract puzzles for advanced puzzle-solvers. Includes current unsolved puzzle and archive with hints and solutions.
puzzleswithoutrules.blogspot.com
Free, updated, original abstract puzzles for advanced puzzle-solvers. Includes current unsolved puzzle and archive with hints and solutions.
puzzleswithoutrules.blogspot.com
The Stone
an online mystery game. Hours of clever puzzles and riddles. Puzzles challenge the mind of serious and amateur players worldwide.
www.thestone.com
an online mystery game. Hours of clever puzzles and riddles. Puzzles challenge the mind of serious and amateur players worldwide.
www.thestone.com
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.
www.braingle.com
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.
www.braingle.com
The Grey Labyrinth
A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles.
www.greylabyrinth.com
A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles.
www.greylabyrinth.com