This is a game similar to 'Space Invaders' where the user controls a spaceship and shoots bullets at aliens and earns points. The aim is to earn as much points as possible before the aliens get to your vicinity. If the alien gets too close to the user a 'GAME OVER' caption will be displayed.
If you have the correct version of Python and Pygame installed, you can run the program in the command prompt / terminal. Also you have to change the directory of where each asset is kept to your main script directory.
cd SpaceInvaders
python alien_shooter.py
Note: If you're using Python 3, replace the command "python" with "python3"
MacOS Mojave: You need to use Python 3.7.2 or greater: Source
You can now check out the game with Replit!