In Zombie Army 4 , the player fights to prevent the apocalypse. In the digital realm, the player fights to prevent the apocalypse of the archive. By seeking the NSP with all DLC and updates, the player is constructing a time capsule. They are ensuring that when the "war" of the current console generation is over, and the storefronts are nothing but digital graves, they will possess the "best" possible version of the reality they inhabited.