Title: Braingle: Brain Teasers, Puzzles, Riddles, Trivia and Games
Description: User submitted and ranked brain teasers, riddles, quizzes, trivia, logic problems and mind puzzles. Free online games and message boards.
Keywords:
brain teaser,
brain teasers,
puzzle,
puzzles,
riddle,
riddles,
trivia,
quizzes,
online games,
mensa,
IQ,
brainteaser