Call of Duty 4: Modern Warfare, the new action-thriller from Infinity Ward and Activision, is now available for pre-purchase on Steam.

Winner of more than 40 E3 2007 awards, Call of Duty 4: Modern Warfare delivers an intense and cinematic action experience. Armed with an arsenal of advanced and powerful modern day firepower, gamers are transported to the most treacherous hotspots around the globe to take on a rogue enemy group threatening the world. Pre-purchase your copy today and be ready to play the moment the game is released on Steam.