Torment: Tides of Numenera is an upcoming role-playing video game, currently in development by inXile Entertainment for Microsoft Windows, OS X, Linux, Xbox One and PlayStation 4. It is a spiritual successor to the critically acclaimed 1999 game Planescape: Torment. The game will take place in Numenera, a fantasy campaign setting authored by Monte Cook. It will use the Unity game engine. Like its predecessor, Torment: Tides of Numenera will be primarily story-driven, giving greater emphasis on interaction with the world and characters, with combat and item accumulation taking a secondary role.