No one can be certain about what happened, but abandoned and overgrown parts of Michigan are now populated with creatures far more dangerous and scary than any armed man could ever be. Carelessly wandering into remote locations, characters can end up facing creatures seemingly straight out of a nightmare.
Demise of human civilization was, at the same time, rebirth for the animal kingdom. Once kept in cages or driven to the far corners of the land, animals quickly regained their numbers and are once again free to roam the vast landscapes of the Michigan.
Not all human progress was lost during the Collapse. Certain groups still have access to the technologies advanced enough to introduce the semi-autonomous combat machines to the battlefields across the wild-lands of Michigan.