Outbreak Undead 2ed: Survivor's Guide - Rules of Play says:
The Survivor’s Guide focuses on everything that the players will need to survive! The world is overrun with undead. Humanity has turned on one another as society collapses. You are one of those lucky few survivors… you have many choices ahead. Will you be a vicious vigilante, plundering and doing whatever it takes to survive? Or will you do your best to preserve civilization, even at the cost of your own life?