waw Nazi zombie how to start a custom zombie game...... load waw then load the mod (map) u wont to use, then go into settings and enable console, then on home screen press    `  < that key on Ur key board  it will open a tab on the top of ur screen then type ( /map ) and after map type the name of the map from what it says on the mods menu. and ur game will start :D have fun.!