Operation Darkness is a tactical role-playing game (RPG) exclusive to the Microsoft Xbox 360, developed by Success Corporation and released in 2008. The game blends historical fiction with fantasy elements, set during World War II. Players command a squad of elite Allied soldiers, who are part of a special unit that possesses supernatural abilities. The gameplay involves turn-based combat, where players must strategically position their squad on grid-based maps to combat Nazi forces and formidable supernatural creatures. The title is known for its challenging difficulty and unique blend of history and fantasy.