Only the most attentive eyes can find three differences between alien and caveman pictures in 25 seconds! Can you? Attempt ...

Ravens are known for their sharp eyes—are yours just as good? Find the hidden bowling pin in 5 seconds if you dare!

The "spot the difference" game is a popular type of puzzle in which two similar-looking images will be placed side by side.

Titles with fewer than 7 critic reviews are excluded.