Hit the ball to fulfill the goal of each of the 10 levels of the game. The first goal is to hit a home run; the second one, to score more than 200 points; the third one, avoid recording an out in 9 trials. And so on.
When you start, click to select your player (boy or girl). Move the mouse horizontally to position your player, then vertically to select the shot angle. Press the space bar to indicate to the pitcher that he can launch the ball. When it comes in the air, click at the right moment to hit hard.