Zombie Killers CSS:ZM , L4D ,ZPS RSS Feed en-us Steam Community RSS Today is The day! 16.12.08 Is Offical Start of Zombie Killers Group! invite all your freinds! Tue, 16 Dec 2008 18:07:51 +0000 Drewz https://steamcommunity.com/groups/ZombieModGroup/announcements/detail/414461958252105739