At least $105 million, because that's what they had to borrow. http://venturebeat.com/2009/07/07/zenimax-borrowed-105-million-to-buy-doom-maker/ http://venture

At least $105 million, because that's what they had to borrow. http://venturebeat.com/2009/07/07/zenimax-borrowed-105-million-to-buy-doom-maker/ http://venturebeat.com/2009/07/07/zenimax-borrowed-105-milli... I'd expect it to be a lot more than that. $25 million is a typical budget for a single AAA console title these days. Not only did Zenimax buy id's game development experience they also bought their tech, which is probably worth that on its own. Mind you, id were badly in need of a publisher at the time.