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How to add maps to the KF maplist in solo.

Extract the archives (.rar, .zip, .ace) with 7zip (free program. Google it.) and then put the files you get into their folders in the Killing Floor directory.
.../Steam/Steam Apps/common/killingfloor

.usx -> StaticMeshes
.utx -> Textures
.rom -> Maps
.u, .ucl -> System
.uax -> Sounds
.ogg -> Music

If you downloaded them from a server while playing the files are in your "cache" folder and have random file-names. Which file is which is written in the text file in the cache folder (cache.log?). Look it up there, then rename it to its real name and move it to its folder.
 
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