Imperium Galactica III: Genesis is a story based single-player strategy game. Starting in 2040, you are in control of the fleet of a multinational cooperation fighting a rivalling cooperation. The discovery of alien technology leads to expeditions into alien space. When you return to Earth you find it occupied by aliens. Only one colonizing spaceship with humans escaped. Your task is to find this ship, use it to build colonies and to finally gather enough strength to take back Earth.