Zombies, there are zombies everywhere. It seems though that no one is alive nowadays. But, we all know that it is not possible since like you, there are other people in the city that are trying to escape the zombies. It is your job to help them escape. You need to drop them off to the safe zone to ensure their safety. The idea of the game is to save every last men on the city within the minimum time frame. The zombies are after them and they will be eaten if you don't hurry to get to them. Splatter those zombies, once you see them.