The game challenges your eyesight; furthermore, not only it relaxes you but also makes your eyes practicing as well. Another benefit of the game is to help distinguish colors and remember them. It is not hard to play with, The text indicates which colors you have to tap on the for colorful squares. These squares change their color continuously in 2 seconds. If 2 seconds flies, you havent yet chosen a color square either you chose the wrong color, the game will be over. Then, you can buy heart to continue playing the game or re-play from the start.