Brain Teasers are mentally challenging puzzles (often in the form of a question or story) that can be solved by applying logic or other mental skills.
Riddles, brainteasers, cryptograms, anagrams, and logic puzzles. Compete in eight new contests monthly.
A beautifully illustrated collection of puzzles, riddles, and paradoxes. Features a changing "unsolved puzzle" plus three years worth of previous puzzles.
It's a challenge to reach the end of this puzzle maze.
Some real mind benders here.
Collection of solved and unsolved brain teasers.
A puzzle site featuring a new puzzle format each weekday for each month. Puzzles are fun, educational, entertaining and are also printable.
Crosswords and other word puzzles and games, samples; monthly puzzle magazine; 800, 000 word searchable list.
an online mystery game. Hours of clever puzzles and riddles. Puzzles challenge the mind of serious and amateur players worldwide.
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.
Challenge your mind with free online riddles/puzzles, logic games, brain teasers and view optical illusions.