Infinity Ward loves to experiment with the formula of Call of Duty, and their latest experiment comes in the form of Modern Warfare 2 (2022). In this title, the multiplayer perk system has had a slight overhaul. There are Basic Perks, and there are even Bonus Perks, but deep in the depths of power, there lie the Ultimate Perks, achievable only to the very best players in the game modes that they are available in.