U.S.C. Medusa is the last map in Operation Cleansweep, one of the campaigns introduced in Alien Swarm: Reactive Drop.
- Destroy Biomass 0/8
- Destroy all alien biomass onboard the ship
- Bring the ship's reactor online
- Locate the engine room and bring the reactor online.
- Download the flight data
- Use the terminal on the bridge to download the recorded flight data, in order to set course to the alien homeplanet
- Enter the stasis pods
- Enter the statis pods to inititate interstellar travel.
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