We just got an official statement from Activision telling us that Call of Duty 4 will be available on Steam.
Call of Duty 4: Modern Warfare, the new action-thriller from the award-winning team at Infinity Ward, the creators of the Call of Duty® series, delivers the most intense and cinematic action experience ever. Armed with an arsenal of advanced and powerful modern day firepower, players are transported to treacherous hotspots around the globe to take on a rogue enemy group threatening the world.
As both a U.S Marine and British S.A.S. soldier fighting through an unfolding story full of twists and turns, players use sophisticated technology, superior firepower and coordinated land and air strikes on a battlefield where speed, accuracy and communication are essential to victory.
The epic title also delivers an added depth of multiplayer action providing online fans an all-new community of persistence, addictive and customizable gameplay.