Earth, we spent more then enough time there, but as me tied more then enough, she exhausted her resources, and couldn't live there anymore, we already have a Mars and Venus colony, and it's been 3,000 years since everyone left earth, more colonies formed, even on Pluto. Everyone has adapted to life on their planets, and technology is much more advanced, but an alien threat has just noticed our solar system, and they want it...
Species:
If you have ideas for species, tell me
Species:
If you have ideas for species, tell me