Click the "CS:S Zombie Mod" link below.
Then select one of the zombie mods.
Follow the instructions on the first post or on the downloaded readme to install it.
Note: You must first install...
You can go multi player and look up zombie mod servers all of them have the zm_(mapname) maps so you can search by zombie in server name or zm_ in server map. Unless you have your own server that you...
First, download and install AMX Mod X on your server. (link provided below) Then install the AMX plugin for the Zombie Mod you want. (link provided below) You can also try this zombie server:...