Defeat the Spider Mastermind

Complete all Mission Challenges

Earn the Masteries for all weapon mods

Upgrade all Runes

Defeat the Hell Guards

Fully upgrade Health, Armor, and Ammo capacity on a single campaign run.

Defeat the Cyberdemon

Acquire the BFG

Fully upgrade Health, Armor, or Ammo capacity

Kill 30 Enemies with the G-MAL

Upgrade a Rune

Earn the Mastery for a weapon mod

Defeat 50 Enemies with Hand-to-Hand Combat