The Walking Dead
The Walking Dead takes place after the onset of a worldwide zombie apocalypse. The zombies, referred to as "walkers", shamble towards living humans and other creatures to eat them; they are attracted to noise, such as gunshots, and different scents, e.g. humans. With the collapse of modern civilization, You must confront other human survivors who have formed groups and communities with their own sets of laws and morals, sometimes leading to open, hostile conflict between them.
