A graphic artist is challenging people's vision and attention to detail with a spot-the-difference brain teaser — and asking people to see if they can find the eight differences between two spring ...

Spot the Difference images present readers with two identical pictures and the challenge for the readers is to spot the subtle differences between the two pictures within a time limit to complete the ...

A new online visual puzzle is testing observation skills by asking viewers to find three subtle differences between two dog images within 12 seconds. The challenge highlights the importance of keen ...