Plants, flowers, green, family days out and good weather. All these things remind us of spring. In the game Spring Differences you'll be able to go through dozens of pairs of spring-themed images in which you have to spot all the differences between them.
The best way to rack your brains is to spend some time every day trying to solve puzzles. These games will make those moments great fun.
Here are two images of the famous Nintendo character, Mario. At first sight they may seem identical, but they...