Call of Duty, like video game war simulations in general, is caught in a paradox. It never changes, and yet, every year, it definitely does change. Approaching a new Call of Duty, especially from the multiplayer side, is a bit of a challenge. How much do the various iterative changes matter, and do they manage to reshape the core of the game in any meaningful way? Call of Duty has long been a game about moving fast and shooting guns; what makes the latest version worth playing over the dozen-plus iterations prior?