Look in the Red Orchestra forums for those mods that are "whitelisted".
These should work with Killing Floor.
Specifically:
[URL="http://forums.tripwireinteractive.com/showthread.php?t=29845"][URL="http://forums.tripwireinteractive.com/showthread.php?t=29845"][URL]http://forums.tripwireinteractive.com/showthread.php?t=29845[/URL][/URL][/URL]
Someone correct me if I'm terribly wrong, but the engine that Tripwire uses for Killing Floor and Red Orchestra is modified (by them). That is, its not the stock engine. Therefore, not all UT mutators work with it.
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***Not addressed to anyone in particular****
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All if the information needed to run a server can be found either in these forums or in the RO forums. Some effort on everyone's part will go along way in keeping this section of the forums orderly and less redundant. I see the same questions being asked and answered over and over. Its hard to address and follow the progress of the really difficult problems.
The Tripwire and RO community are some of the nicest and most willing to help folks around. Everyone can help them help the community by putting forth a little of your time and effort by looking for and posting in threads that have a similar problem as your. No need to have 100 "I can't get into webadmin...help" threads (for exampl).
I'm not singling out anyone in particular....just making an observation and offering a suggestion for the new admins new to Tripwire's games.
Floyd