Already posted this in the appropriate forum (Outer Space Simulation), but I feel this might be interesting enough for the CH:
https://www.rockpapershotgun.com/2016/07/29/stable-orbit-space-station-simulator/Not much information available yet, but it's being made by Jim Offerman, who was the lead PC programmer of
Deus Ex: Human Revolution, according to the article, and that game wasn't half bad.