NowGamer: "It’s finally happened. We’ve expected it for some time. Call Of Duty is no longer a single-player game with a multiplayer attached. It’s a multiplayer game with a single-player campaign added as an extra bonus. This shift started with Call of Duty 4, became more pronounced in World At War, and in Modern Warfare 2 the single-player and multiplayer components of the game found themselves on an equal footing."