And Back Again
Complete all levels in 'DOOM II: No Rest for the Living' in Single player
25 
Superior Firepower
Complete all levels on 'Ultra-Violence' or higher in Single player
25 
From Earth To Hell
Complete all levels in 'DOOM II: Hell on Earth' in Single player
25 
Destroyer
Get 100 frags in Deathmatch on Xbox LIVE
20 
You Have Huge Guts
Kill a CyberDemon using your fists in Single player
20 
Rip and Tear
Complete any level on 'Nightmare' in Single player
20 
Burning Out of Control
Complete any level with 100% kills, items, and secrets in Single player
15 
The Great Communicator
Get 20 kills using the Chainsaw in a single level in Single player
10 
A Man and a Half
Get 20 kills using the Berserk Powerup in a single level in Single player
10 
A Really Big Gun
Find a BFG in Single player
10 
Just Getting Started
Complete any level in Single player
10 
An Important Looking Door
Find a secret area of a level in Single player
10