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Call of Duty: Modern Warfare 2 - Free Weekend, Double XP, and Sale on Now!

Announcement - Valve
May 6, 2010
Jump in the Call of Duty: Modern Warfare 2 Free Multiplayer Weekend, on now! Also includes double XP earned during gameplay this weekend, plus buy the game before Monday and save!

If you already have Steam installed you can click here to install or play. If you don't have Steam, you can download it here.

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