There are several campaigns in Earthfall, each unraveling a different part of the story. Each is divided into several chapters.
The group must make their way to a supply depot by passing through a suburb, breaking a fence, and then reaching a cargo holding area. [To be officialized]
The group's vehicle has broken down and they are forced to take shelter in an abandoned gas station garage. The objectives include searching for items to prep an exterminator van for escape such as looking for a wheel, gas, and a battery, all the while being attacked and besieged by the alien threat.