Stop hordes of demons with a shotgun.
Destroy the freaks of the sewers of Berlin.
Go check the old dump of containers, take weapon and try to stay alive.
Try to besiege crowds of restless bandits, protect the city.
Collect medicine, fight off viruses and don't kill good cells.
Kill zombies to stay alive.
Try to survive and destroy the zombies.
Kill new monsters of a destroyed city.
Destroy the zombies and prevent the infection from spreading around the city.
Support your players by killing enemies.
Look for weapon on a secret military base in the ruined city and protect it.
Ward off zombies' attacks to save your life after the explosion on a chemical plant.