Dec 13th, 2012 - Twisted Christmas event released
Twisted Christmas III is here, featuring the return of the Christmas specimens, a brand new map Moonbase, new weapons, and new DLC available for purchase! See the forums for more information. See the changes here.
Nov 8th, 2012 - Update 1043 released
Halloween is over, and the hillbilly zeds are no more. Update 1043 has been released, consisting of balance changes, bug fixes, and - most significantly - the removal of the map whitelist! Players can now level their perks on any map they want. See the changes here.
Oct 23rd, 2012 - Hillbilly Horror Halloween patch released
The Killing Floor Halloween event is back for a limited time with all new Hillbilly-themed monsters! New map, new weapons, and new characters.
See the official website or the forums for more information.