Lana's Sewer is the second map in Lana's Escape, one of the campaigns introduced in Alien Swarm: Reactive Drop.
- Investigate abnormal signatures.
- Abnormal kinetic signatures are coming from the main area below.
- One thing is certain: This cannot be friendly.
- Proceed to the maintenance facility.
- Squad, this place is dangerous. Heavy machinery, pumping systems, and worst of all: huge kinetic signatures on my screens.
- Your mission is simple: Make your way to the surface.