The game is based on events from "Killing Floor", in which a deadly outbreak from the bio-technology firm Horzine created Zeds (zombie-like creatures) that rapidly spread across Europe, paralyzing the response from the European Union.
The game is based on events from "Killing Floor". A deadly outbreak from the bio-technology firm Horzine created Zeds (zombie-like creatures). This Zeds (zombie-like creatures) rapidly spread across Europe, ". A deadly outbreak from the bio-technology firm Horzine was paralyzing the response from the European Union in Killing Floor".