Keep it in the air " - as it name implies, point of the game is the kep the ball in the air by kicking it with your mouse pointer. Collect 30 points to reach the next level. Avoid other balls, since they'll take you one life if you touch them. If the ball hits the ground, you lose all points on that level. Also - don't hit the upper border of the screen with the ball, it will cost you one point. Good luck.