Astro Colony
Contributed by @Greelan
Link: Astro Colony on Steam
Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.
Currently requires Wine to run on Linux, however the game developer is working on a native Linux binary, which the template will be updated for when available. Note that the game is in early access and still in development.