Complete the DOOM 3 campaign on Recruit

Find all video logs in DOOM 3

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

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

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

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

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

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

Find the RAGE logo in the Lost Mission

Defeat the Vagary boss in DOOM 3

Defeat Guardian boss in DOOM 3

Defeat Sabaoth boss 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

Find the id logo secret room in DOOM 3

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

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

Collect every PDA in the RoE campaign

Kill 5 enemies at once while in Hell Time in RoE

Defeat the Helltime Hunter in RoE

Defeat the Berserk Hunter in RoE

Defeat the Invulnerability Hunter in RoE

Defeat the Maledict boss in RoE

Kill 20 enemies with projectiles launched from the Grabber in RoE

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

Complete the Lost Mission campaign on Recruit

Collect every PDA in the Lost Mission campaign