This visual puzzle hides the number 717 among rows of 777s. Only those with laser focus can crack it in seconds. Ready to test your brain?

An optical illusion shared on Reddit featured a sunny garden scene where viewers were challenged to spot a hidden snake.

Contradictory Patterns and Decorative Illusions by Patrick Neal April 7, 2015 April 11, 2015. Subscribe to our newsletter.

You’re a true master of observation if you spot the hidden cat in this image. Optical illusion: How to solve? Most users who have come across the il ...

Optical illusions use light, colour and patterns to cause a viewer to see something that's completely different to reality ...

Optical illusions aren't just fun to do, but apparently they can also reveal certain hidden details about your personality, based on what you see first. So are you a leader, or more lonely?

This visual puzzle challenges you to spot the lone "69" hidden among a sea of identical "66"s—testing your focus, pattern ...

This illusion – named Pinna's Illusory Intertwining Effect – first appeared in Shifts of Edges and Deformations of Patterns written by Baingio Pinna and Richard L Gregory, an academic journal ...

A tricky visual puzzle challenges viewers to find the number 62 camouflaged among 26s in just 7 seconds; can your eyes beat ...

The Fraser-Wilcox illusion arises from a simpler pattern than the one above. When viewers attend to this pattern while looking away from it, for instance looking elsewhere on the page or monitor, the ...

If so, what number,” the optical illusion was captioned. But, that didn’t stop X, formerly known as Twitter, ... or identifying tiny differences in shadings and patterns.