brainbashers.com

- brainbashers.com

Brain teasers, puzzles, and optical illusions.

61,335   $ 218,880.00

braingle.com

- braingle.com

User submitted and ranked brain teasers, riddles, quizzes, trivia, logic problems and mind puzzles. Free online games and message boards.

103,971   $ 106,800.00

ouverture-facile.com

- ouverture-facile.com

Ouverture Facile is a flash riddle game with a growing difficulty. In these riddles you will progress each level at a time using your brain, several clues hidden in this website...

701,384   $ 1,680.00