In a world ruled by zombies, you be lucky if you are among the living. But, one thing that you need to understand and that is to fight to live. You and your buddy are still alive. Now, you need to escape, but the zombies are everywhere. You need to kill one zombies after another. Some zombies drops money, which you can use to buy better equipment. As you kill lots of zombies, you would level up and you can use the skill points to get more skills, which would be useful. You can also pick some ammo, health pack and other things that you can throw at the zombies.