Let’s build a game called Alien Invasion! We’ll use Pygame, a collection of fun, powerful Python modules that manage graphics, animation, and even sound, making it easier for you to build sophisticated games. With Pygame handling tasks like drawing images to the screen, you can focus on the higher-level logic of game dynamics.

In this chapter, you’ll set up Pygame and then create a rocket ship that moves right and left and fires bullets in response to player input. In the next two chapters, you’ll create a fleet of aliens to destroy, and then continue to refine the game by setting limits on the number of ships ...