Are you looking for the Zombie Panic Source Download? This Page will take you directly to the Half Life site page where you can instantly download the Zombie Panic: Half Life 2 Mod.
Zombie Panic: Source is a co-op oriented Survivor Vs Zombie multi-player survival horror modification for Half Life 2.
Click "Zombie Source" below to download the Zombie Panic: Half Life 2 Mod Now!
Zombie Source HERE!