Zombie Riot mod for Counter-Strike: Source - Mod DB
Zombie: Escape Mod [Counter-Strike 1.6] [Mods]
Counter-Strike Source: Zombie Escape - ze_Rooftop_Runaway2_v5 on Unloze - YouTube
I have never played Counter Strike: Source until I bought it to download Age of Chivalry on Steam. This certainly was not what I was expecting. : r/gaming