Knee-Deep in the Dead

Beat all the levels in "Knee-Deep in the Dead"

75 Gamerscore

The Shores of Hell

Beat all the levels in "The Shores of Hell"

75 Gamerscore

Inferno

Beat all the levels in "Inferno"

75 Gamerscore

Thy Flesh Consumed

Beat all the levels in "Thy Flesh Consumed"

75 Gamerscore

I'm the Man!

Beat DOOM in under 2 hours

50 Gamerscore

Rookie

Get 25 kills in deathmatch

20 Gamerscore

Showstopper

Get 100 kills in deathmatch

50 Gamerscore

Not So Bad

Beat every level on Nightmare in co-operative mode

75 Gamerscore

Guns Are For Wusses

Get 25 kills with your fists in a single level

20 Gamerscore

Groovy

Get 3 multi-kills with the shotgun

20 Gamerscore

Shoot It Until It Dies

Finish off a Cyberdemon with the pistol

75 Gamerscore

Cookin' With Plasma

Kill 5 enemies in 5 seconds with the plasma rifle

20 Gamerscore

Overkill

Kill only a single enemy with a shot from the BFG

20 Gamerscore

Timing Is Everything

Kill 2 enemies with a single barrel explosion

50 Gamerscore

Doormat

Crush a corpse in a door

50 Gamerscore

Untouchable

Finish a level with 200% armor and 200% health

50 Gamerscore

It's a Secret

Find a secret level

50 Gamerscore

Not a Very Good Secret

Find all the secret levels

75 Gamerscore

Headhunter

Kill one of every enemy

75 Gamerscore