Dirty Bomb achievements

Craft or Trade Up to a Guardian Cobalt Card

Play 20 hours with Guardian in your squad

Gotta Get 'Em All

Earn 200 melee kills

Earn 300 kills with a Semi-Automatic weapon

Earn 300 kills with Shotguns

Craft or Trade Up to a Javelin Cobalt Card

Complete 50 secondary objectives

Play 20 hours with Javelin in your squad

Craft or Trade Up to a Turtle Cobalt Card

Complete the tutorial