Complete all quarantine zones in both the slums and old town. (The 2 zones from the Cuisine & Cargo DLC do not count towards this achievement). Sometimes a quarantine zone might not count towards the achievement and therefore must be replayed.
Required Quarantine Zones (The Slums):
- Underground Parking
- Stuffed Turtle
- Sunny Apartments
- Chemical Storage
- Bright Mountain Tunnel
Required Quarantine Zones (Old Town):
- Striped Dragon Hotel
- Parking Lot
- New Antalya Apartments
DLC Quarantine Zones not counted:
- Holy Year Tunnel (The Slums)
- Three Moons Restaurant (Old Town)