No Trader: The Trader never opens between waves.

No Karma Decorations: Removes Karma Decorations from the map.

KillingFloorMut: This is the default mode.

These mutators are available in the first Killing Floor and will not prevent Perk Progression: You can also specify for the browser to not show you servers where stats are disabled. you can progress your perks and earn achievements). When browsing servers, a symbol to the left of the server name will tell you whether or not Stats are Enabled (ie. You can permanently acquire mutators to add to your list by downloading them from the Steam Workshop or certain websites. If you join a server running a mutator you don't have, it will be temporarily downloaded before you join. When you are joining someone else's game, the mutators in use will be listed in the info on the bottom-left of your screen.

In the first Killing Floor, you can easily add mutators from a Mutator Menu available when you're setting up your match. In the first Killing Floor, you can easily add mutators from a Mutator Menu available when youre setting up your match.

Depending on the effect of the mutator, using it may disable your ability to gain progress in your Perks or earn Achievements while the mutator is active. Mutators are ways to modify a match of Killing Floor or Killing Floor 2 in a variety of ways.ĭepending on the effect of the mutator, using it may disable your ability to gain progress in your Perks or earn Achievements while the mutator is active. Mutators are ways to modify a match of Killing Floor or Killing Floor 2 in a variety of ways.

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