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.