Throne of Azathoth Campaign

Concept for a Call of Cthulhu campaign (or any other mythos related game system). The Throne of Azathoth is a damaged Dyson Sphere that encase the space-time anomaly that power it. The original purpose of the mega structure was to simulate entire universes but over the aeons the Throne has been damaged and Azathoth is now malfunctioning and it simulations are now erratic. The builder specie