Complete the campaign on 'I'm Too Young to Die', 'Hurt Me Plenty', 'Ultra Violence', or 'Nightmare'.

Complete all Mission Challenges

Fully upgrade all Praetor Suit categories on a single campaign run.

Acquire all weapon mods

Kill 50 enemies using the Chainsaw

Defeat the Cyberdemon

Kill 150 enemies while using Power Ups

Use explosive barrels to kill 100 enemies

Upgrade a Rune

Fully upgrade Health, Armor, or Ammo capacity

Earn the Mastery for a weapon mod

Complete all Challenges for a single mission.

Complete the first mission of the campaign