 Dunin was the product manager for "GemStone III", executive producer for the "Hercules" and ""-based multiplayer game "Alliance of Heroes", and worked in a variety of production and development roles on most of Simutronics' other products, including "CyberStrike", "Modus Operandi", "DragonRealms", HeroEngine, "Fantasy University", and "Tiny Heroes".She is a founding member of the International Game Developers Association's Online Games SIG and edited four of their annual White Papers on various aspects of the online game industry, such as "Web and Downloadable Games" and "Persistent Worlds.