Zombie Kills

If zombies infested the world, how many would you be able to kill?

1 What primary weapon weapon would you use?
2 What type of building would you stay in?
3 How many people would you have helping you?
4 Where would you try to shoot the zombies?
5 What secondary weapon would you use?
6 What type of throwing weapons would you use?
7 What would you do after you kill a zombie?