Called Dark Fog, the antagonists in Dyson Sphere Program are essentially rogue AI modules that betrayed humanity’s central AI system.
In fact, one of the primary goals of the in-universe Dyson Sphere Program is to defeat the Dark Fog.
In the blog post, the studio has provided a backstory for the enemies that will be fought in Dyson Sphere Program.
Having originally announced that Dyson Sphere Program would be getting a combat system down the road, developer Youthcat Studio has finally revealed more details about the upcoming combat.