Killing time

Score 25000 on Super Turbo Turkey Puncher 3 in DOOM 3 or RoE

Speed Run

Complete the DOOM 3 single player campaign in 10 hours or less

DOOMed Recruit

Complete the DOOM 3 single player campaign on Recruit

DOOMed Marine

Complete the DOOM 3 single player campaign on Marine

Big Boy

Defeat Cyberdemon boss in DOOM 3

All of Us

Find the id logo secret room in DOOM 3

Soulfood

Use the Soul Cube to defeat 20 enemies in DOOM 3

You're Not My Boss!

Defeat Sabaoth boss in DOOM 3

Cookie Stealer

Defeat Guardian boss in DOOM 3

Goody Finder

Open all storage lockers in DOOM 3

You Laugh, It Works

Find the bloody handiwork of Betruger (in Delta 4 Hallway) in DOOM 3

Ready for Action!

Get the BFG-9000 from Security Chief's office in DOOM 3

Turncoat

Get 2 demons to fight each other in DOOM 3, RoE, or Lost Mission

Double the Fun!

Kill 2 Imps with one shotgun blast in DOOM 3, RoE, or Lost Mission

Ripped!

Use the chainsaw to kill 20 enemies in DOOM 3

Unarmed Badass

Kill 20 enemies with the fists/melee hands in DOOM 3

Bot Buddy

Keep a Sentry Bot alive to its destination in DOOM 3, RoE, or Lost Mission (except Mars City)

Boomtastic

Blow up 50 barrels in the DOOM 3, RoE, or Lost Mission campaigns

Sticky Situation

Defeat the Vagary boss in DOOM 3

That was Close!

Kill an enemy with 1 health remaining in DOOM 3, RoE, or Lost Mission