Killing Floor achievements

5.59%

Mr. Perky

Get All of your Perks up to Level 5.

5.59%

Science Hater

Transit - Destroy all the DNA vials

5.59%

Grim Reaper

Get the 6 Special Halloween Achievements plus 1 Hillbilly Horror Map Achievement to unlock the Grim Reaper

5.62%

Dog and Pony Show

Win a Long Game on Abusement Park on Hard Difficulty.

5.62%

Burst Pipe

Win a Long Game on Waterworks on Hard Difficulty.

5.62%

Silent Night, Evil Night

Win a Long Game on Santa's Evil Lair on Hard Difficulty.

5.65%

Not So Silent Night

[2010 Xmas] Kill a Christmas Siren with an undetonated LAW rocket.

5.68%

Burning Irony

Kill 15 Husks with the Husk Cannon

5.68%

Stay Frosty

Beat Ice Cave on Hard Difficulty

5.74%

Missed Connection

Win a Long Game on Filth's Cross on Hard Difficulty.

5.74%

The Hard War

Complete a Long Game on all 5 Core Maps on Hard Difficulty.

5.77%

That Bloody Well Hurts!

Win a Long Game on Hospital Horrors on Hard Difficulty.