Play free puzzles, riddles, brainteasers, lateral thinking problems, spot the difference pictures, advanced puzzles for geeks and brainiacs and more.
With over 20,000 brain teasers, riddles, logic problems, quizzes and mind puzzles submitted and ranked by users like you, Braingle has the largest collection anywhere on the Internet.
Leonid Mochalov of puzzlemochalovlp.com is a Russian puzzle creator and author. Amongst his creations are puzzles such as Pyramid and Chess Cube as well as new types of riddles such as SQUAREWORDS, LABYRINTH-NUMBER and EXPRESS-LABYRINTH.
A free collection of over 400 riddles, 400 games, 50 illusions, the famous gry riddle, picture puzzles, quizzes, logic puzzles, math puzzles, jumble puzzles, mystery puzzles, brain teasers, word puzzles, vocal puzzles, funny comics, funny cat pictures, trivia, and many more activities to keep you busy for hours.
A large collection of logic puzzles, math puzzles, puzzling riddles and other brain teasers
Learn to think out-of-the-box and unleash your creativity! Lots of original creative puzzles and tests with "aha!" answers designed by Lloyd King, author of 'Test Your Creative Thinking'.
Home of the Paradoxical. Featuring puzzles, games, illusions, ideas, riddles, quotations, books, poems and more, all on a paradoxical theme.