For as long as Call of Duty: Modern Warfare 4's DMZ extraction mode has been available, there've been calls for PvE-only servers. Developer Infinity Ward, for its part, has maintained the mode is designed as a PvPvE experience, but it's now seemingly made a change offering solo players something of a compromise, albeit with caveats.
In DMZ, your choice of deployment type dictates the matchmaking pool you're put into. You can choose to freely roam the map, picking up tasks as you go, or participate in slightly more structured Dynamic Ops which constantly generate tasks for you to do. But DMZ also has Story Missions, a title that suggests they're private instances. But that wasn't the case at launch. Although the number of players allowed into Story Mission instances appeared to be smaller than in other modes, it was still possible to run into other players, which meant potentially unwanted PvP encounters.
