Terra Invicta -

You must mine the Moon, asteroids, and Mars for resources to build a space economy.

Alien agents actively walk the Earth, enthralling leaders and spreading xenoflora. 2. The Conquest of the Solar System Terra Invicta

Worship the aliens as superior beings and welcome them. You must mine the Moon, asteroids, and Mars

Exploit the chaos for ultimate financial profit. You must mine the Moon

Space travel requires actual delta-v calculations, momentum, and orbital mechanics.

Which do you want to explore for your first campaign?