Simulated Environment Systems was an American game development company based in Redondo Beach, California. They developed Quarterstaff (1987), a role-playing game for the Macintosh, along with its modified re-release co-developed with Infocom for Activision, Quarterstaff: The Tomb of Setmoth (1988).
Simulated Environment Systems entered the gaming scene in 1987 and has 2 titles tracked on PlayPile. Their catalog primarily spans Role-playing (RPG), Puzzle, Adventure, with additional titles in other genres. Their games are available on Mac and Sharp X68000.