Research 7 is the second map in Research 7, one of the campaigns introduced in Alien Swarm: Reactive Drop.
- Activate the Purge System
- Find and activate the RC7 Purge Systems to kill the swarm in the labs.
- Some of the swarm may be driven upwards through vents.
- Exit RC7 and head through the forest
- The forest ahead blocks your path. Find a way through, be inventive.
- Stop the aliens spreading!
- The swarm are coming from underground.
- Find a way to plug the hole to stop the alien menace spreading.
- Find a way into the hut
- Maps show a cavern behind this hut.
- Check it out.
- Destroy Swarm Eggs 0/3
- The damp and dark hut is full of the swarm, eradicate the eggs.
- Destroy Biomass 0/2
- Burn the biomass from inside the cabin.
- Go deeper into the cave system.
- The swarm broke through the cabin wall from a cave.
- Follow the cave system.
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