
First Do No Harm
Not unlocked yetFinish hospital quests for Cecil

Defeat Harlow
Not unlocked yetDefeat Harlow

It's an Order
Not unlocked yetMark 100 opponents which were then killed by your co-op partners

King among Kings
Not unlocked yetKill special enemies: Grenadier, Thug, Wrestler, Infected, Suicider, Screamer, Butcher, Floater.

Hunter-Seeker
Not unlocked yetFind and kill all the most dangerous monstrosities located in dead zones

The Cinema
Not unlocked yetClear out the cinema

Military Base
Not unlocked yetGain access to a long-range radio station

Combat on the roof
Not unlocked yetSurvive the horde on the roof

Henderson Town
Not unlocked yetReach Henderson

Meeting Serpo
Not unlocked yetMake pact with Serpo

The Docks
Not unlocked yetEnter the docks in Quarantine Zone