Turning up your max dead bodies allowed on the map for the entire game. If you know how to do this already awesome! If not this video is for you, because as we all know when it comes to killing floor 2 more gore = more fun.
https://m.youtube.com/watch?v=oR25gKo6lpk&feature=youtu.be
https://m.youtube.com/watch?v=oR25gKo6lpk&feature=youtu.be