Demiurge Studios is an American video game developer company, founded in 2002 by Albert Reed, Chris Linder and Tom Lin. It is located in Cambridge, Massachusetts. The company has helped other developers such as Electronic Arts, Epic Games, Gearbox Software and THQ create multiplayer maps for their games, but are best known for porting Mass Effect to Microsoft Windows, released in May 2008.Demiurge Studios worked co-operatively on Green Day: Rock Band with Harmonix and Electronic Arts.