Support, because you can hold more weapons, more grenades and more ammo.
If you mean how can you level up your perks in killing floor? Check your perk list and on a window it'll show the requirements to do in order to level up a perk...
The duration of The Killing Floor is 1.57 hours.
The Killing Floor was created on 2007-05-21.
To buy the game Killing Floor (or atleast one way to buy it) is to make a Steam account which is free. Then search the store for Killing Floor and...you can do the rest probably.
Killing Floor - Bruce Dickinson song - was created in 1998.
Killing Floor - Howlin' Wolf song - was created in 1964-08.
AnswerFirst of all, he is talking about perks not attachments. The best perks would Lightweight, Steady Aim and the third one could be what ever.
The cast of Killing Floor - 2009 includes: Marianne Graffam as versch. Frauen Deutsche Version
NO
It is the area within a slaughter house used for the killing of animals.
Simply completing challenges on weapons, air support, perks, etc and by killing enemies
The game-developers are called TripWireHowever, if you mean the novel Killing Floor then it was written by Lee Child. And the book and the game are completely different from each other.