The goal is spot 10 differences between two near-identical images. Enjoy up to 100 different levels with beautiful pictures and 10 differences really hard to spot in each of them. The game is suitable for all ages, all you need is to have a sharp eye and good concentration skills.
If you think you smartphone screen is too small try the game in your tablet or in your PC.
At the end, if you get stuck, you can ask for solutions: All puzzles solutions.