GN writes, "Survival-Horror game Killing Floor released a major update, including several outstanding maps from the official Mapping Competition, the first free KF mod, and some extra goodies. The four new maps are based on the ocean, in subways, industrial cities, and classic urban storage units. If you don't have KF, don't worry - all owners of the game received two guest passes today. Check with your friends for the pass!
The new maps were described by Tripwire as follows..."