Swamp is the First Level of Mars Campaign on Iron Brigade
Briefing[]
Commander Woodruff: "Welcome back to the service, Marine. First order of business is to get this amphibious beast of an aircraft carrier ready to blast off into space. It's likely that the Tubes are going to do the same, so be prepared for aerial enemies. Now get out there and walk all over em."
- Defend the Ship.
- Defend the Fueling Station.
- High density of aerial threats.