Christmas 2023 present for Thea and Ethan. With guidance from Python Crash Course 2e, Eric Mathes
Alien Invasion
In Alien Invasion, the player controls a rocket ship that appears at the bottom center of the screen. The player can m ove the ship right and left using the arrow keys and shoot bullets using the spacebar. When the game begins, a fleet of aliens fills the sky and moves across and down the screen. The player shoots and destroys the aliens.
If the player shoots all the aliens, a new fleet appears that moves faster than the previous fleet.
If any alien hits the player's ship or reaches the bottom of the screen, the player loses a ship.
If the player loses three ships, the game ends.