Skip the grind: Call of Duty: Modern Warfare 3 Zombies lets you unlock any multiplayer gun in minutes
For all the ways that Call of Duty: Modern Warfare 3 feels like an add-on for last year’s game, it deserves some credit for shaking up the standard 1-55 progression system in a major way. Instead of unlocking every gun, throwable, and gadget just by leveling up, a huge chunk of MW3 items are locked…