01Achievements
Every Killing Floor achievement, ordered by how few players in the world have unlocked it.
3 of 285 entries
Trick, not TreatKill 5 Halloween Specimens with any gun without reloading54%Common
It's Not Easy Being GreasyCause a Specimen to Die by Luring them into Bloat Acid.65.6%Common
ExperimenticenticideKill 100 Specimens.66.7%Common
Data from Steam — Steam Web API Terms of Use. Last updated .