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: Modern Warfare II on Steam. Call of Duty: Modern Warfare II drops players into an unprecedented global conflict that features the return of the iconic Operators of Task Force 141. Recent Reviews: Overwhelmingly Negative (409) - 19% of the 409 user reviews in the last 30 days are positive.