An optical illusion showing a man among cats went viral as users debated the total number of felines hidden in the image.

A viral image that originated on Reddit has resurfaced, triggering a fresh wave of debate and frustration. The challenge?

This brain teaser will test your focus and attention to detail. Somewhere in the image lies a tiny mistake that blends in ...

A viral brain teaser is making the rounds on social media, challenging viewers to spot three odd numbers hidden among a wall of 40s. Can you find all three?

BRAIN TEASER: CAN YOU FIND 5 BUTTERFLIES AMONG THE FLOWERS? On Facebook, Dudás' springtime spot-the-difference puzzle has generated over 171 reactions, 13 comments and 29 shares at the time of ...