The most comprehensive and easy to navigate link directory for anything related to other puzzles and brain activities - games, toys, crosswords, quizzes, trivia, IQ, math and much more.
PhD certified IQ test, Aptitude & Personality Tests and other Self-Assessments - quick, fun, accurate.
Have queries about IQ, IQ Tests, IQ Scores? Want to know if you are a Genius or what it takes to be a Genius? Get all your queries answered here on IQTestExperts.com.
Algebra, geometry, matchstick and logic puzzles, paradoxes, optical illusions, IQ tests and logic games.
PuzzleDepot.Com challenges your brain with free puzzles, Shockwave and Flash games, crosswords, logic games, IQ tests, trivia games and contests for prizes.
The purpose of this site is to become the starting point for the creation of Mensa Portugal, the Portuguese group of Mensa. Mensa is a nonprofit organization open to persons who have attained a score within the upper 2% of the general population on an approved and properly supervised intelligence test.
Portuguese site about intelligence, definition and measure; Online IQ tests with instant score, the Mental Performance Test and a Puzzle contest; Articles in Portuguese and English; Extensive resources directory, High IQ societies and discussion forums.
Good source for IQ tests, puzzles, trivia, games & contests for entertainment & education. AfreeB.com & Puzz.com Newsletter - a puzzle contest in every issue of our daily newsletter.