Spot the difference

Spot the difference is a type of puzzle where players must find a set number of differences between two otherwise similar images.

Spot the difference games are found in various media including activity books for children, newspapers, and video games.

They are a type of puzzle where players must find a set number of differences between two otherwise similar images, whether they are illustrations or photographs that have been altered with photo manipulation.

A way to solve a spot the difference puzzle digitally is to create a inverse version of one of the images to compare and to overlay it 50% on the other one.

[clarification needed] This puzzle/logic game-related article is a stub.

Example of a children's spot the difference puzzle. There are 15 differences between the two pictures.
Solving "Spot the difference" by overlaying the left image (top left) with an inverse image (bottom left) of the right one (top right). Differences appear as non grey parts (bottom right)