Good game develops logical thinking. There are simple tasks to be solved, they are connected with the balls, there are bad balls, and there are good, they are marked with the color red bad, good blue. You want to keep the blue balls in this case you pass away to the aid of the mouse. For example, clicking the mouse on the ball, so he would not fall into the abyss, you can put it in a box, it is his refuge! Be smart!
