ONLY the most eagle-eyed will be able to spot the 13 hidden faces in this devilishly difficult optical illusion. Put your vision to the test with this tricky brainteaser, which will have you ...

YOU could have a high IQ if you can find the face in this picture in time. Players will have just seven seconds to see past the bird and figure out this tricky optical illusion. The image shows a ...

Optical illusion challenge questions have emerged as the most sought-after challenge on the web. These astounding photographs not just amuse but also challenge your eye strength and intelligence ...