"Modern Warfare 3 Introduces Exciting Challenges for Unlocking Attachments and Camos"

Call of Duty: Modern Warfare 3 will introduce a new armory unlock challenge system, allowing players to unlock weapons, equipment, perks, killstreaks, and attachments faster. The game will offer daily, weekly, and career challenges, with weekly challenges granting special attachments as rewards. The armory unlock challenges can be completed by completing daily challenges, providing a faster way to unlock customization options for the Gunsmith. Modern Warfare 3 releases on November 10.