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

Spot the hidden number 3 in a 9-second brain teaser optical illusion that tests observation, IQ, and visual perception skills ...

A Visual brain teaser is a type of puzzle or problem that requires clever and unconventional skill and top-level observant skill to solve these types of brain teaser IQ Test. It could be a riddle, a ...

IQ riddles and brain teasers aren’t just quirky internet fun, they are like mini workouts for your brain. When you take on a visual brain teaser, you are engaging multiple mental skills at once: short ...

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 ...