In the game, you need to find differences in the pictures. The game has 20 unique levels, with varying difficulty. There is no time limit, you can search as long as you want, but the faster you find it, the more points you get. Use the hint to help. To complete the level, you need to find all the differences.
Click on a place in the picture with your mouse or finger. If you find a difference, it will be circled. You can click on any side.