If you love optical illusion pictures with answers, this challenge is perfect for you. Can you spot the butterfly in this ...

Attention, puzzle enthusiasts! This optical illusion challenge will test your speed and observation skills. In just 7 seconds ...

The word puzzle game presents a 7x7 grid of randomly arranged letters where players must find the word 'HUB' in five seconds.

Optical illusions push your brain to think creatively, and this one is a tough test. Spotting two patients hidden in an image within 9 seconds is the ...

Test your detective skills with a challenging optical illusion! Spot the werewolf hidden among three doctors in just 11 ...

Using a computer model of the retina, researchers have been able to trace the cause of the expanding hole illusion ...

From the mad snap of the sitting women that always has us baffled, a 'second horse' only people with a high IQ can spot, and ...

Viewers were mesmerized by the striking scene in the viral clip, with one saying, "That's a view into an alternate reality." ...

Today’s optical illusion is set to give your brain a workout, so are you ready for the challenge? Hidden among a sea of "43s" and "34s" is a single "45"—but can you spot it? This tricky brain teaser ...

On Washington Street in the Loop, you’ll find the Museum of Illusions, “an optical illusion experience designed for all ages.