From the campaign:
The planet of Arcfall has become overrun with dangerous creatures. Malfunctioning robots and savage beasts wreak havoc across the planet. Locals have taken to the services of anyone who will help. For a price of course. You are a Bounty Hunter seeking fame and fortune. But beware, other Hunters will try to swoop in and claim your target as their own! Press your luck against other hunters in search of fame and fortune!