Dirty Bomb achievements

Earn 200 melee kills

Craft or Trade Up to a Guardian Cobalt Card

Earn 300 kills with Shotguns

Play 20 hours with Guardian in your squad

Complete 50 secondary objectives

Earn 300 kills with a Semi-Automatic weapon

Gotta Get 'Em All

Craft or Trade Up to a Javelin Cobalt Card

Play 20 hours with Javelin in your squad

Play 5 hours with Guardian in your squad

Craft or Trade Up to a Turtle Cobalt Card