Modern Warfare 2 is a first-person tactical shooter and the sixth entry in the popular Call of Duty series. True to its name and following the lead of its predecessor, Call of Duty: Modern Warfare , it places players in modern combat settings, as opposed to the WWII environments of the earlier Call of Duty games. To appear offline in Modern Warfare 2 or Warzone 2.0, the process may differ based on the platform you are using. This quick guide will show you the easy ste Given that Call of Duty Modern Warfare 2 is available on both Battle.net and Steam, it was assumed that the campaign would work in offline mode on the latter. However, this is not the case, and a stable internet connection is required to run the campaign, even in Steam offline mode. CKVSZ.