zm_owc.exe

this is the zombie mod for call of duty world at war.

installation is pretty easy
launch installer, it will install automatically, then it will ask if it can create start menu and/or desktop shortcut, do so if you like, either way when you launch game you can find this mod in mods section.
beware you need to turn console on in game options, and when you load this mod, open console usually with "~" key, and type "map zm_owc". thats all, happy hunting :D.