Keep a Sentry Bot alive to its destination in DOOM 3, RoE, or Lost Mission (except Mars City)
Defeat the Vagary boss in DOOM 3
Boomtastic
10Blow up 50 barrels in the DOOM 3, RoE, or Lost Mission campaigns
Turncoat
10Get 2 demons to fight each other in DOOM 3, RoE, or Lost Mission
Kill an enemy with 1 health remaining in DOOM 3, RoE, or Lost Mission
Ripped!
10Use the chainsaw to kill 20 enemies in DOOM 3
Defeat Guardian boss in DOOM 3
Defeat Sabaoth boss in DOOM 3
Kill the scientist trapped next to the Reactor Control Room in DOOM 3
Big Boy
15Defeat Cyberdemon boss in DOOM 3
Complete the DOOM 3 campaign on Recruit
Gimme Time!
15Defeat the Helltime Hunter in RoE
Get the BFG-9000 from Security Chief's office in DOOM 3
Find the bloody handiwork of Betruger (in Delta 4 Hallway) in DOOM 3
Complete the DOOM 3 campaign on Marine
Soulfood
15Use the Soul Cube to defeat 20 enemies in DOOM 3
Kill 20 enemies with the fists/melee hands in DOOM 3
Gimme Power!
15Defeat the Berserk Hunter in RoE
Speed Run
30Complete the DOOM 3 campaign in 10 hours or less
Shocking!
15Defeat the Invulnerability Hunter in RoE
Lost Recruit
15Complete the Lost Mission campaign on Recruit
Score 25000 on Super Turbo Turkey Puncher 3 in DOOM 3 or RoE
All of Us
10Find the id logo secret room in DOOM 3
Evil Recruit
15Complete the RoE campaign on Recruit
Eat This!
15Defeat the Maledict boss in RoE
Lost Marine
30Complete the Lost Mission campaign on Marine
Collect every PDA in the Lost Mission campaign
Evil Marine
30Complete the RoE campaign on Marine
Play Catch
15Kill 20 enemies with projectiles launched from the Grabber in RoE
Goody Finder
30Open all storage lockers in DOOM 3
Complete the DOOM 3 campaign on Veteran
Kill 2 Imps with one shotgun blast in DOOM 3, RoE, or Lost Mission
Complete a level without taking any damage in DOOM 3, RoE, or Lost Mission (except Mars City)
Lost Veteran
30Complete the Lost Mission campaign on Veteran
Kill 5 enemies at once while in Hell Time in RoE
Collect every PDA in the RoE campaign
Evil Veteran
30Complete the RoE campaign on Veteran
Find the RAGE logo in the Lost Mission
Find all video logs in DOOM 3
Use the Artifact with Berserk ability to punch out 20 enemies in RoE
Collect every PDA in DOOM 3
Complete the DOOM 3 campaign on Nightmare
Complete the Lost Mission campaign on Nightmare
Complete the RoE campaign on Nightmare