Completed all co-op missions

Finished a round as part of the top Fire Team

Complete 3 Combat Mission objectives

Defeat 30 bosses.

Finish the game

Enter the docks in Quarantine Zone

Survive the horde on the roof

Rescue 20 NPCs that have been grabbed by monsters

Kill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater.

Clear out the cinema

Install a total of 5 barricades during hub defense

Kill 50 monsters by smashing, decapitating or shooting them in the head

Escape from the ship