Thanks to the game Color Balls you can check your reaction speed and attentiveness. Before you on the screen you will see the playing field inside which there will be several pipes. On them balls with the figures entered in them will move. They indicate the number of hits that you need to make in order to destroy the ball. Right will be your character. You can move it up or down. You will need to put it in front of the ball that appears and click on the screen to send him the desired number of charges.