You Need:
* Steam.
* Counter strike source.
* Ultra kill because Just play it.
Copy the folder call cssz in cssz.zip (not cssz.zip)
Go to: C:\Program Files (x86)\Steam\steamapps\sourcemods and paste it, you done
restart you computer and play.
How to download Source zero
Here I going to tell you how to download source zero.
Posted by Woodin on - Basic Installers
