Drink up! You won't survive the zombie onslaught for long without the best perks in Call of Duty: Modern Warfare 3. Here's our ranking of the best ones to buy.
Applying perks plays a massive part in your success in Modern Warfare 3, so we've compiled a list of the best ones you should be using to up your game.
You've been knocked down to private in Modern Warfare 3, so it's time to rise through the ranks. Here is the fastest way to earn XP and level up your character.