AKF is one of the most comprehensive mods to date released for Killing Floor. The aim of this mod was to bring the feel and scope of James Cameron's Aliens to Killing Floor while in one hand remaining true to the franchise and in the other ensuring that it still retains the feel of Killing Floor.
Total conversion for Killing Floor; every character model, perks & weapons has been replaced with those from the Aliens universe. Need I say more. :)