Bot Buddy

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

10 Gamerscore

Sticky Situation

Defeat the Vagary boss in DOOM 3

15 Gamerscore

Boomtastic

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

10 Gamerscore

Turncoat

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

10 Gamerscore

That was Close!

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

30 Gamerscore

Ripped!

Use the chainsaw to kill 20 enemies in DOOM 3

10 Gamerscore

Cookie Stealer

Defeat Guardian boss in DOOM 3

15 Gamerscore

You're Not My Boss!

Defeat Sabaoth boss in DOOM 3

15 Gamerscore

To Be or Not to Be

Kill the scientist trapped next to the Reactor Control Room in DOOM 3

10 Gamerscore

Big Boy

Defeat Cyberdemon boss in DOOM 3

15 Gamerscore

DOOMed Recruit

Complete the DOOM 3 campaign on Recruit

10 Gamerscore

Gimme Time!

Defeat the Helltime Hunter in RoE

15 Gamerscore

Ready for Action!

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

15 Gamerscore

You Laugh, It Works

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

10 Gamerscore

DOOMed Marine

Complete the DOOM 3 campaign on Marine

30 Gamerscore

Soulfood

Use the Soul Cube to defeat 20 enemies in DOOM 3

15 Gamerscore

Unarmed Badass

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

10 Gamerscore

Gimme Power!

Defeat the Berserk Hunter in RoE

15 Gamerscore

Speed Run

Complete the DOOM 3 campaign in 10 hours or less

30 Gamerscore

Shocking!

Defeat the Invulnerability Hunter in RoE

15 Gamerscore

Lost Recruit

Complete the Lost Mission campaign on Recruit

15 Gamerscore

Killing time

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

10 Gamerscore

All of Us

Find the id logo secret room in DOOM 3

10 Gamerscore

Evil Recruit

Complete the RoE campaign on Recruit

15 Gamerscore

Eat This!

Defeat the Maledict boss in RoE

15 Gamerscore

Lost Marine

Complete the Lost Mission campaign on Marine

30 Gamerscore

Lost Collector

Collect every PDA in the Lost Mission campaign

15 Gamerscore

Evil Marine

Complete the RoE campaign on Marine

30 Gamerscore

Play Catch

Kill 20 enemies with projectiles launched from the Grabber in RoE

15 Gamerscore

Goody Finder

Open all storage lockers in DOOM 3

30 Gamerscore

DOOMed Veteran

Complete the DOOM 3 campaign on Veteran

30 Gamerscore

Double the Fun!

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

15 Gamerscore

Not a Scratch

Complete a level without taking any damage in DOOM 3, RoE, or Lost Mission (except Mars City)

30 Gamerscore

Lost Veteran

Complete the Lost Mission campaign on Veteran

30 Gamerscore

Too Slow, Fool!

Kill 5 enemies at once while in Hell Time in RoE

15 Gamerscore

Evil Collector

Collect every PDA in the RoE campaign

15 Gamerscore

Evil Veteran

Complete the RoE campaign on Veteran

30 Gamerscore

RAGE

Find the RAGE logo in the Lost Mission

15 Gamerscore

I Like to Watch

Find all video logs in DOOM 3

15 Gamerscore

Fists of Fury

Use the Artifact with Berserk ability to punch out 20 enemies in RoE

15 Gamerscore

DOOMed Collector

Collect every PDA in DOOM 3

30 Gamerscore

DOOMed Nightmare

Complete the DOOM 3 campaign on Nightmare

90 Gamerscore

Lost Nightmare

Complete the Lost Mission campaign on Nightmare

90 Gamerscore

Evil Nightmare

Complete the RoE campaign on Nightmare

90 Gamerscore