Categories

Mathematical
Nonograms
Optical Illusions
Riddles

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

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

Confusion - Its a challenge to reach the end of this puzzle maze.

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

Puzzability - Some real mind benders here

BrainVista - Collection of solved and unsolved brain teasers.

Wordles! - Get free cryptograms, create your own, and look up crossword puzzle words.

Purple Hunt - A fun site for puzzles, free games, treasure hunts, cryptograms and intrigues. Prizes for winners.

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.

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

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

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

ButlerWeb - A page of about 30 brain teasers. Answers are hidden in drop down screens.

Puzzles on Seniority - Riddles, mind benders and puzzles for seniors (aged 50 or above).

The Puzzle Meisters - Features puzzles and mysterious enigmas along with a few trivia questions here and there.

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

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

Online Adlibs - This is a silly word puzzle riddle that you make up, with your own words.

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

Nonogram Solver - Information about Nonogram logic puzzles and how to solve them, plus examples of two on-line solvers, software, and links.

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

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

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

PedagoNet Brainers - Over 60 brain teasers to enhance your mind

Sesquip Word Games - Challenging word games published in newspapers.

Pastelina - Site containing a number of logic puzzle games created in Flash.

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

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

Ten Teasers - Some of these brain-teasers need some thinking, others need no thinking at all.

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

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

A Puzzlemakers Site - Puzzles of all descriptions.

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

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

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

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

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

Peculiar - Brain teasers, problems, mathematical mind mazes, questions and optical illusions.

Eli's Math and Logic Puzzles - Collection of math and logic puzzles.

The Ultimate Thinking Puzzler - Discover who killed Ronald Opus in this contorted thinking puzzle.

Eye-Pleasing, Mind-Teasing 3-D Conundrums - Scans from a book of puzzles, includes English translations.

Toon and a Mindtrap - Answer the daily brain teaser emails to become Mindtrapper of the month.

Game-Master's Page - Riddles, games, cryprograms, math puzzles, and forums.

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

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

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

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

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

The Game: What is The Meaning of Life? - Game with clues to answer the question.

Eyetricks: Brain Teasers - Weekly puzzles and archives.

Alphabet Cartoon Puzzles - Letters of the alphabet are used as structural components for drawings of figures and faces. Spelling tips lead to the solution of the puzzles.

Shashi's Homepage - Collection of puzzles, riddles and brain teasers.

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

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

Analytical Puzzles - List of puzzles without solutions.

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

Chronigma - Weekly competition to solve original puzzles, riddles, and brain teasers in the least amount of time.

Gamekeeper's MegaQuiz - Quiz, hangman, and images. Quizzes are downloadable and require Microsoft Excel on PC.

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

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

The Logic Zone - Collection of logic puzzles with answers.

Logic Puzzles Escapades - Logic puzzles with a satirical New Zealand tone.