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-222.153.28.102-20130314084121/@comment-78.97.91.207-20130315185445

I completely agree with you, I think every developer should take risks and change their games, especially when they reached the 7-8th installment (yes I know IW and 3arch are two different devs, but still, the games are incredibly similar).