In this optical illusion picture, the number 28 is hiding among 82’s. Are you one of the selected few with the sharpest ...

Think you have a sharp eye and a fast brain? This mind bending puzzle invites you to search carefully and discover the hidden ...

If you have ever taken an IQ-type test, then you are familiar with “odd-one-out” puzzles. Most such puzzles present figures, images, or symbols in a sequence, with the goal being to spot the one item ...

A challenging puzzle will put your perception to the ultimate test with a tricky winter optical illusion. Puzzles are a ...

Do you enjoy quick brain challenges that test your focus and patience? Then this optical illusion is made for you. At first ...

A Visual Illusion is a type of puzzle, which required different analytical thinking approach to solve these types of puzzles.

Do you have amazing focus and concentration? Are you always able to find Waldo or any hidden picture? Here's a quick puzzle test developed by John's Hopkins University that can help you find out how ...

You’ve seen those IQ tests online and you probably wonder who makes them. Well now you can actually become the test inventor rather than test taker in a new project from the M.I.T. Center For ...