21Achievements
What did you say, Blain?
Complete 4 level sections without using a medkit.
(12.1%)
Chain reaction
Kill 50 Zombies in a row without missing a shot.
(39.7%)
Everyone's a mad scientist, life is the lab
Complete Terror Lab on any difficulty
(1.6%)
Staring at Shadows
Complete 12 Waves and escape from Horde Map 'Undead Wood'
(3.0%)
Bad Blood
Complete Blood Count on any difficulty.
(1.4%)
I'm going deeper underground
Complete Deeper than Hell on any difficulty.
(1.0%)
Something wicked this way comes
Complete 12 consecutive Waves and escape from the Horde Map "Caged Fear".
(1.8%)
Damnedbusters
Complete Damnation Valley on any difficulty.
(0.5%)
They're coming to get you Barbara
Complete 12 consecutive Waves and escape from the Horde Map "Final Departure".
(1.6%)
Plane sailing
Complete Alpine Blitz on any difficulty.
(0.5%)
I never redoubted you!
Complete Dead Zeppelin on any difficulty.
(0.5%)
People don't change. We go round in circles
Complete 12 consecutive Waves and escape from the Horde Map "Graveyard Shift".
(1.8%)
None more hard
Complete the Campaign on Nightmare difficulty.
(0.1%)
Have you tried turning it off and on again?
Complete Terminal Error on any difficulty.
(0.2%)
The blighters got through a second time.
Complete 12 consecutive Waves and escape from the Horde Map "Frozen in Fear"
(1.1%)
Kali Ma
Complete Abaddon Asylum on any difficulty.
(0.2%)
Total protonic reversal
Complete Return to Hell on any difficulty.
(0.2%)
(0.4%)
(0.1%)
(0.1%)
(0.2%)