Call of Duty: Modern Warfare 2 Beta-- Best Perks And How They Work - GameSpot

Modern Warfare 2 changes up how perks are used this year, so here is everything you need to know to equip the best perks for you.

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Call of Duty: Modern Warfare 2 Beta-- Best Perks And How They Work

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What is your favorite Call of Duty game? - Quora