Braingle - Tangles the brain with user submitted and user ranked brain teasers, mind puzzles and riddles. BrainJuice - An assortment of entertaining puzzles that can be solved using logic. The Brainteasers Network - Offers a never ending supply of brainteasers, puzzles and games that challenge the mind. BrainVista - Collection of solved and unsolved brain teasers. 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.
The Grey Labyrinth - A beautifully illustrated collection of puzzles, riddles, and paradoxes. Just Riddles and More - Riddles, illusions, puzzles, brain teasers, and other entertainment for your brain. Mind Teasers - Jumbled words that can be read as everyday words or phrases. Muller Riddle Page - This site contains riddles of all kinds and levels. You can try to solve or to submit a riddle.