id probably done with new IP for 10 years

For the past 20-plus years, id Software has largely built its business on the backs of three core franchises: Doom, Quake, and Wolfenstein. Soon, the Bethesda Softworks sister studio will add Rage, an all-new intellectual property set on a postapocalyptic Earth in the midst of recovering from an asteroid collision. However, it appears as if Rage won't be the first in a string of new series from the storied developer.

As part of an interview with the Official PlayStation Magazine (relayed by CVG), id chief technical officer John Carmack said not to expect a new franchise from the studio for possibly another 10 years.

"We do already have more IPs than we can exploit," Carmack said. "I doubt we're going to do another IP. It's scary to say it, but maybe not in the next decade even, because we want to support Wolfenstein, Doom and Quake--and hopefully we can add Rage onto that--and I don't want five teams here. Three is scary enough."

That said, Carmack went on to note that id would readily continue building out the Rage universe, should the first find an audience. "Obviously if Rage is a success, then we'll want to do a Rage 2," he said. "If people love it, you want to give them more of it."

Beyond Rage, id has also said that it is at work on a new installment in the seminal Doom franchise.

With QuakeCon 2010 now underway, Carmack is expected to deliver the company's keynote address later today. GameSpot will be on hand to provide coverage from the event as it happens.