Happy then leads a zombie outbreak among the staff.

The police arrive and take her to he hospital where a zombie outbreak is occurring.

It showed the events before the zombie outbreak from the perspective of a woman named Hannah, who appeared in the first episode.

Besides all of the other fans going to the event, a planned zombie outbreak occurs in the area.

He keeps the action going, and never fails to say what the player is thinking when the zombie outbreak gets out of hand.

He then joins others in his community in containing a local zombie outbreak.

Essentially, the zombie outbreak was his act of vengeance against the school's students, and society in general for making him an outcast.

It features a zombie outbreak at a maximum security prison.

Players control one of the last human survivors of a worldwide zombie outbreak.

Brooks described the large amount of research needed to find optimal methods for fighting a worldwide zombie outbreak.