Play free puzzles, riddles, brainteasers, lateral thinking problems, spot the difference pictures, advanced puzzles for geeks and brainiacs and more.
Quiz Factor is a fun and free quiz website with quizzes across a huge number of topics. Play to win fantastic prizes!
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.
Print free pub quizzes straight away or compile a unique quiz about subjects that you choose. Professionally written questions and answers.
Revision quizzes for 11 to 14 year old students studying Key Stage Three (KS3). Categories include English, maths, science, ICT, history, geography, citizenship, D&T, music and religious education.
A Swiss site also serving puzzlers from Germany and Austria. Dedicated to crossword puzzles, quizzes, Sudoku, Battleship puzzles and other games. Rätsel Agentur is an agency offering leisure content for print media.
A Norwegian site dedicated to crossword puzzles, quizzes and other mind games. Compete for prizes, glory or just have a short coffee break on the web while exercising your mind.
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.
Join the great Quizzing community of CaesarsQuiz.com and fight against your friends. Use your head to build your empire, and increase your culture every day: it’s about 2 minutes of pure fun, and you may even win great prizes! And best of all, CaesarsQuiz is 100% free!
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.
The biggest fun portal – enjoy playing trivia games, puzzles, quizzes, jokes & fun.
A collection of mind-blowing Brain Teasers, quiz questions and psychometric tests, all designed to stretch your wits to the limit and beyond from this prolific author of puzzle books, IQ Tests and trivia quizzes.
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.