The Last Colony

[Ludum Dare 38 Entry] The earth as we know it was destroyed. Scientists and engineers scrambled and built a mini "planet" to escape the end of man kind. However, due to its artificial nature, it is incapable of producing anything but some space. Scavengers are sent out to gather necessary resources for survival. Your job as an Operator is simple. You operate the incoming cargo ships and lead them to their docking station. Considering the limited resources in this barely habitable artificial plan...