.......... These isolated colonies can then become connected and start to specialize, to the point that they'll start to produce resources and products that can be sold back to Earth, or invested in large projects designed for terraforming and a thriving civilization. Things like Orbital Refuel Depots, Orbital Mirrors to provide more sunlight, or Terraforming stations to create a thicker atmosphere. Things that require planet-wide infrastructure to build. Gameplay changes from just surviving, to thriving.