Question: Which American science fiction role-playing game, is based on Christopher Moeller's two critically acclaimed "Iron Empires" graphic novels?
Sentence (from "Christopher Moeller"): Moeller's signature creation is the Iron Empires science-fiction universe, comprising two fully painted graphic novels Faith Conquers and Sheva's War, a short story in Dark Horse Presents, and a second in the anthology Negative Burn.
Relevant evidence: No