Based on community feedback for similar BO2 offline clients: :
. It is designed to allow users to play the Single Player (SP), Multiplayer (MP) with bots, and Zombies (ZM) modes without requiring an active internet connection to official Activision/Steam servers Core Functionality bo2offlinespmpzmclientv37z
: Indicates the ability to play without an internet connection or official server authentication. sp : Single Player (Campaign). mp : Multiplayer. zm : Zombies mode. Based on community feedback for similar BO2 offline