User blog comment:Damac1214/Why Call of Duty is Call of Duty, Fallout is Fallout, Halo is Halo, and that they aren't going to be changing anytime soon/@comment-1854594-20130314080113/@comment-1187559-20130316164445

As I said, between Fo2 and Fo3 wasn't innovation, it was modernisation. As the series changed hands Bethesda completly reworked how the game played, it would be like taking Pokemon from what it is now to a real time battle sim. The changes were so big it's not really innovation.