Killing Floor achievements

29.33%

Historical Remnants

Kill 6 Zeds with one magazine on an MKb42, without reloading

29.42%

Seeing Double

Kill 5 Circus Crawlers with a Bullpup in one wave.

29.63%

Random Axe of Kindness

Kill 15 Specimens with a Fire Axe in a Single Wave.

32.89%

Bloody Yanks

Kill 1 specimen ONLY while expending a full M4 Assault Rifle magazine

33.22%

I Like To Watch

Aquire 5 Minutes of "Zed-Time".

36.07%

Self Medicator

In Co-op Mode, Use Syringe on Yourself 100 Times.

40.66%

Sparring with a Master

Kill a Circus Gorefast with a Melee weapon.

41.16%

Philanthropist

Give 1,000 Pounds to Teammates who have 50% of Your Cash or Less.

43.54%

Small Hands

Kill 3 Circus Clots in a wave with the Lever Action Rifle.

44.37%

Clearing Clown Alley

Kill 5 Circus Bloats in one game.

44.84%

Back to Work

[2010 Xmas] Kill 20 Christmas Clots in one wave.

48.31%

Experimentimillicide

Kill 1,000 Specimens.