A Brain teaser is a type of puzzle, which is a short, playful puzzle designed to stretch your mind and make you smile. It ...

Challenge your brain with a cosmic optical illusion that hides a mythical figure in plain sight. Can you solve it fast?

Test your hawk-eye vision by spotting the hidden raccoon among cats in 13 seconds with this visual illusion challenge.

An Optical Illusion is a type of visual illusion puzzle which is used for fun and challenge.  These types of illusions often ...

The visuo-spatial puzzle at right is trickier than it looks, designer Scott Kim warns: "The answers are right in front of you, but they're easy to overlook." Test your skills, following along for ...