This guide focuses on the Redacted client as an addon for a legally owned copy of the game. It is not a crack, and it requires you to own a legitimate copy of Call of Duty: Black Ops 2 on Steam to function properly. This ensures you remain in compliance with the game's terms of service while enabling the feature you want.
Double-click t6rzm.exe to boot into the Zombies interface. From here, you can select any installed survival or transit maps and play solo or prepare a lobby for local network players. Setting Up a Local LAN Session call of duty black ops 2 redacted offline lan install