An obsession with the end of our species as an interactive entertainment experience.
The world blew up and it's your fault. Maybe you weren't instrumental in the apocalypse, but being a part of the society that made it possible, you're at least guilty in some respect. The deserts are all glass, the cities broken and scattered, the forests charred to dust. You emerge from an underground vault, fall off a truck, or peek out from some other corner of civilization gone. Maybe you've got a knife. If you've got a gun, you definitely don't have much ammunition. Chances are, whatever you find first is going to want your spine as a trophy, and on your back are little more than rags. What to do first in an angry, broken world?