Red Mile signed the license to Frank Miller's Sin City graphic novels and comic books; signed Flint Dille, known for The Chronicles of Riddick, as designer/scriptwriting; and revealed Sin City: The Game will be powered by Epic's Unreal Engine 3. Red Mile revealed that Transmission Games is no longer developing the game, instead focusing on Heroes Over Europe. The studio switch happened a while ago, although Red Mile did not reveal who the new developer is.