Killing Floor achievements

7.91%

Golden Potato

Get into GLaDOS' core on Aperture.

7.91%

Lifting a Dumbell

Kill a Circus Husk with a LAW.

7.94%

Extended Motion Protector

[2013 Summer] Protect the Ringmaster during the escort mission so that he does not get hit more than 15 times

7.97%

Third Cousins

Beat Hillbilly Horror on Normal Difficulty

8.03%

Merry Men

Kill the Patriarch when everyone is ONLY using Crossbows.

8.12%

Astro Buffer Afficiando

Beat Steamland on Normal Difficulty

8.15%

But It's All Red!

Collect all 16 Z.E.D. Gun pieces

8.15%

Punk'd

Unlock 10 of the 13 Circus Achievements along with any Abusement Park achievement.

8.27%

Duke of the Manor

Win a Long Game on Manor on Hard Difficulty.

8.30%

Healing Touch

Heal 200 teammates with the MP7's medication dart.

8.30%

Neighborhood Watch

Win a Long Game on Suburbia on Normal Difficulty.

8.36%

Hot Cross Fun

Kill 25 Burning Specimens with a Crossbow.