Ultimate Doom achievements

29.41%
The Only Thing They Fear Is You
Complete any monster-filled level with 100% kills without taking any damage on Ultra-Violence or higher.
33.33%
Burning Out of Control
Complete any monster-filled level with 100% kills, items, and secrets.
39.22%
Hoarder
Finish a level with 100% items picked up.
60.78%
Timing Is Everything
Kill 2 enemies with a single barrel explosion.
62.75%
Doormat
Crush a corpse in a door.
62.75%
Groovy
Get 3 multi-kills with the Shotgun.
72.55%
An Important Looking Door
Find a secret area.
74.51%
Clean Slate
Kill all monsters in any monster-filled level on 'Hurt me plenty' or higher.
84.31%
Not So Friendly Fire
Cause an enemy to kill another enemy.