Kill Fajar at the end of the Squats.

Clear the prologue.

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

Kill 150 enemies while using Power Ups

Earn the Mastery for a weapon mod

Acquire the BFG

Fully upgrade a Praetor Suit category.

Warp to Hell

Equip armor with modifiers

In solo play, get a multiplier of 10x

Print a weapon upgrade

Use melee or ranged weapons to take both arms off a living enemy

Find the Outer Way boarding craft