Do you think you're smart? I'm gonna have to ask you to prove it by taking these general knowledge quizzes. They'll test you on all kinds of random stuff, which should be no problem for a genius like ...

Picture puzzles are visual tests that can assess your observation prowess, visual intelligence, and attention to detail.

A brain teaser challenge is a type of IQ test that mostly involves solving a puzzle, cracking a code, finding a hidden object or mistake, or detecting the fault in the image. Brain teaser puzzles test ...