v0.9.27 is an older build. The game has since moved into the v0.10.x range with significantly more content and bug fixes.
Dyson Sphere Program is widely considered one of the best "factory" games, sitting comfortably alongside Factorio and Satisfactory . File: Dyson.Sphere.Program.v0.9.27.15466.zip ...
The "Dark Fog" is an adaptive AI enemy that builds bases in your systems and launches orbital attacks. File: Dyson.Sphere.Program.v0.9.27.15466.zip ...