There is innovation here and even if it's not always in exactly the areas you'd wish it's enough to ensure that Call Of Duty's status as the world's favourite FPS is still largely deserved.
The campaign has some great moments and both Squads and Extinction are very welcome additions to the multiplayer; Some excellent new maps and play modes; Solid visuals
The first half of the story campaign is very formulaic and there are no significant changes to the competitive multiplayer