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.

Message board of user submitted riddles and brain teasers.

Easy, medium and difficult brain teasers without answers.

Collection of logic problems to solve. Printable.

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

Recreational mathematics including puzzles to make and solve, tessellations, geometric puzzles, optical illusions, and curiosities.

Collection of optical illusions, brain teasers and riddles.

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.

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.

Collection of solved and unsolved brain teasers.

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.

Riddles, games, cryprograms, math puzzles, and forums.

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.

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