Wastelands is the last map in Area 9800, one of the campaigns introduced in Alien Swarm: Reactive Drop.
Objectives[]
Open a path to the bridge
It should get simpler now that you left the heavily infested facility behind you.
Objective 1 image
Objective 1 map
Cross the bridge to the east
Cross the bridge rendezvous with Team Bravo at coordinates: 11SPB 05458 21604 -> [FAILED] The bridge exploded. there should be another way out {replaces previous objective on bridge's destruction}
Objective 2 image
Objective 2 map
Lower the walkway {revealed after bridge's destruction}
Objective 3 image
Objective 3 map
Open the floodgate {revealed after bridge's destruction}
Objective 4 image
Objective 4 map
Leave the Wastelands {revealed after bridge's destruction}
Objective 1 image
