DOOM: Episode 2
Not unlocked yetComplete DOOM Episode 2 on 'Hurt Me Plenty' or higher in single player
DOOM: Episode 3
Not unlocked yetComplete DOOM Episode 3 on 'Hurt Me Plenty' or higher in single player
DOOM: Episode 4
Not unlocked yetComplete DOOM Episode 4 on 'Hurt Me Plenty' or higher in single player
DOOM: Rampage
Not unlocked yetComplete all DOOM levels on 'Ultra-Violence' or higher in single player
DOOM: Nightmare
Not unlocked yetComplete any DOOM level on 'Nightmare' in single player
DOOM: Burning Out of Control
Not unlocked yetComplete any DOOM level with 100% kills, items, and secrets in single player
DOOM II: Just Getting Started
Not unlocked yetComplete any DOOM II level in single player
I Like to Watch
Not unlocked yetFind all video logs in DOOM 3
DOOM II: From Earth to Hell
Not unlocked yetComplete all levels in 'DOOM II: Hell on Earth' in single player
DOOM II: And Back Again
Not unlocked yetComplete all levels in 'DOOM II: No Rest for the Living' in single player
DOOM II: Superior Firepower
Not unlocked yetComplete all 'DOOM II: Hell on Earth' levels on 'Ultra-Violence' or higher in single player
DOOM II: A Really Big Gun
Not unlocked yetFind a BFG in DOOM II single player
DOOM II: Burning Out of Control
Not unlocked yetComplete any DOOM II level with 100% kills, items, and secrets in single player
DOOM II: An Important Looking Door
Not unlocked yetFind a secret area of a DOOM II level in single player
That was Close!
Not unlocked yetKill an enemy with 1 health remaining in DOOM 3, RoE, or Lost Mission
Goody Finder
Not unlocked yetOpen all storage lockers in DOOM 3
Unarmed Badass
Not unlocked yetKill 20 enemies with the fists/melee hands in DOOM 3