Successfully amputate the limb of an infected survivor.
Defeat all of the girl's family.
Defeat all members of the lynch mob.
Kill the super zombie with the hunter's help.
Kill the super zombie without the aid of the hunter.
Sacrifice a survivor to the lynch mob.
Cure a survivor of the infection using the vaccine.
Last seven days in No Survivors.
Complete Road Kill with at least one survivor.
Complete Road Kill with five survivors.
Complete Deadline with at least one survivor.
Complete Deadline with five survivors.