[WindowsCentral.com]

Hitting max rank in Call of Duty: Modern Warfare isn't too hard if you know where to focus.
One of this year's top blockbuster releases, Call of Duty: Modern Warfare, is here, and there's enough multiplayer action to last you the holidays and beyond. And while Infinity Ward's latest endeavor packs a ton of weapons, gadgets, and perks, many are level-gated, only unlocked when reaching the higher levels.

Full story from the WindowsCentral blog...