They suddenly pull their hands out of the graves and try to grab you and try to eat your brain. There are always unexpectedly many of them and they sharply increase their numbers. One has only to get one bite and you will become one of the zombies!br br Zombies are very popular in movies and art. People are especially worried about the upcoming zombie apocalypse. Some even write on the forums how best to prepare for this. Maybe they are right about something.