You are the first space station that the Earth has made. However, the aliens that were here first don't like that. They are now sending wave after wave of alien ships to defeat your space station. It is up to you to control the ships phasers to fire upon the attacking ships. Once you have destroyed enough of the enemy and gained enough resources you can then start building ships to help you fight off the aliens. Carefully choose what ships to buy when, as the alien horde never stops coming. Keep defending the space station in an attempt to save it an all of humankind.