Explore the derelict fulgoran ringworld of Ribbonia, an artificial planet where spatial reasoning and creativity are the key to your survival. Can you handle C.H.A.R.L.E.S., the crazed and lonely AI? Discover Fulgoran crafting techniques involving molten plastic and fusion plasma and dive into pure Factorio nostalgia on Ribbonia. Ribbonia minimally affects the vanilla game and can be added to existing saves.
Mods introducing new content into the game.