Call of Duty: Black Ops II Zombies Personalization Pack [Online Game Code] Publisher: Activision Developer: Treyarch Type: mDLC ESRB Rating: M - Mature (Blood and Gore, Intense Violence, Strong Language) Genre: Shooter DRM: Steam System Requirements: MINIMUM: OS: Windows XP SP3 / Windows Vista / Windows 7 / Windows 8 CPU: Intel Core 2 Duo E4400 @ 2.00 GHz or AMD Athlon 64 X2 4000+ @ 2.0 GHz processor or better RAM : 2GB RAM HDD: 9 GB free disk space Video: AMD Radeon HD 4670 512MB or Nvidia Geforce 8800 GT 512MB or better Sound: DirectX 9.0C or later DirectX: DirectX 9.0C or later Internet: Internet connection required for game activation Disclaimer: Steam account required for game activation and installation. Copyright 2012 Activision Publishing, Inc. ACTIVISION, CALL OF DUTY, CALL OF DUTY BLACK OPS and stylized Roman numeral II are trademark...