Gaming for Grown Ups: Do Video Games Age with their Audience?

It's obvious that video games have grown up with it's original audience. This has created an odd demographic of adults who love to play games, and respectfully, games made for adults.

So, how is this going to change gaming in the future? Will we eventually age into a demographic of elderly gammers? Could "Elderscrolls XXVI" be tailored to geriatrics? Basically, what will gaming become if we don't stop gaming?