Experts Of Killing Floor RSS Feed en-us Steam Community RSS Plz Invite people to the group Perks 3 - 6 lvl INVITE PEOPLE TO THE GROUP :D Thu, 05 Aug 2010 20:01:28 +0000 HurpTheDurp https://steamcommunity.com/groups/Expertsofkillingfloor/announcements/detail/199469162707492595