Optical illusions have fascinated brain puzzle lovers across the globe, providing an intriguing challenge for the mind.

Test your observation skills with this optical illusion challenge! Spot the hidden owl in a pattern of birch trees.

The Expanding Hole illusion has been around for a while and never fails to mesmerise. In a study, researchers showed this illusion to 50 participants. For a whopping 86% of them, the black "hole ...

But how quickly will it be under pressure? This 5-second optical illusion challenge will put your mental speed, spatial awareness, and judgment abilities to the test Your brain is a world-class ...