Related Games: Modern Warfare (2019) is still playable if you own the full game.

New Alternative: Download the current "Call of Duty" app to play the latest Warzone.

Even though the free-to-play battle royale is gone, the underlying game engine—Modern Warfare 2019—is still active. If you own Modern Warfare 2019, you may still need to download the files that were previously bundled with Warzone Caldera to play the campaign, multiplayer, or Spec Ops modes. On PC via Battle.net