Real-time strategy (RTS) is a subgenre of strategy video games where the game does not progress incrementally in turns. The term Real-time strategy appeared in BYTE magazine in 1982, but usually Brett Sperry is credited with coining the term to market Dune II. In an RTS the participants position and maneuver units and structures under their control to secure areas of the map and/or destroy their opponents' assets. In a typical RTS, it is possible to create additional units and structures during the course of a game.