Lana's Sewer is the second map in Lana's Escape, one of the campaigns introduced in Alien Swarm: Reactive Drop.

Objectives Edit

  1. Investigate abnormal signatures
    Abnormal kinetic signatures are coming from the main area below.
    One thing is certain: This cannot be friendly.
  2. 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.
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