Spot-the-difference puzzles have become hugely popular online, going viral on social media as people race to spot tiny changes between two almost identical images. The challenge is simple but tricky; ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. What should have been an easy spot the difference puzzle for children ...

Love playing 'spot the difference' games? If you consider yourself a pro at solving these, then today's viral challenge is surely not going to disappoint you. There is nothing better than starting ...