why this game is on steam but not Call of Duty: Black Ops Cold War and Call of Duty: Vanguard ???? because Reasons. Because the games were battle exclusive.. MW2 is available through battle and steam through their partnership mostly due to advertising..

Call of Duty: Warzone!" on Steam. Welcome to Call of Duty: Warzone!", the massive free-to-play combat arena which now features the brand-new map, Urzikstan.