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

Use the Soul Cube to defeat 20 enemies in DOOM 3

Complete the RoE campaign on Recruit

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

Find the id logo secret room in DOOM 3

Defeat Cyberdemon boss in DOOM 3

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

Use the chainsaw to kill 20 enemies in DOOM 3

Complete the RoE campaign on Marine

Kill 5 enemies at once while in Hell Time in RoE

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

Complete the Lost Mission campaign on Recruit

Complete the Lost Mission campaign on Marine

Defeat the Maledict boss in RoE

Defeat the Invulnerability Hunter in RoE

Defeat the Helltime Hunter in RoE

Defeat the Berserk Hunter in RoE

Defeat Sabaoth boss in DOOM 3

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

Complete the DOOM 3 single player campaign on Marine

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

Defeat Guardian boss in DOOM 3

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

Complete the DOOM 3 single player campaign on Recruit

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

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

Defeat the Vagary boss in DOOM 3

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

Complete the DOOM 3 single player campaign on Veteran

Complete the Lost Mission campaign on Veteran

Kill two enemies in the same room with a rocket in DOOM 3 Multiplayer

Complete the Lost Mission campaign on Nightmare

Collect every PDA in the Lost Mission campaign

Kill 5 enemy players while using Invisibility in DOOM 3 Multiplayer

Use Berserk to kill a player in DOOM 3 Multiplayer

Catch an enemy player in the Reactor of Frag Chamber in DOOM 3 Multiplayer

Kill an enemy player by jumping into a teleporter after them in DOOM 3 Multiplayer

Complete a DOOM 3 Multiplayer match without dying

Collect every PDA in DOOM 3

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

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

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

Find the RAGE logo in the Lost Mission

Complete the RoE campaign on Veteran

Complete the RoE campaign on Nightmare

Complete the DOOM 3 single player campaign on Nightmare

Find all video logs in DOOM 3

Open all storage lockers in DOOM 3

Collect every PDA in the RoE campaign

Kill 20 enemies with projectiles launched from the Grabber in RoE