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

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

Use the chainsaw to kill 20 enemies in DOOM 3

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

Defeat the Vagary boss in DOOM 3

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

Complete three Survival missions.

In Secret Weapons, find and destroy one of each type of vehicle present in this mission.

Kill 50 soldiers with heavy weapons.

Kill 50 enemies with traps.

Become the Master of each weapon.

Total kill distance of 100000 meters.