Zombie Eye Madness is one of the download free games type of flash game and you will have to take care of all these zombies that think they are safe because it is halloween and no one will recognize them. You are a great detective though so you will need to shoot them down with your gun but be careful as your ammo is limited on each level. You can also bank the shots off the rails in order to get to those that are well hidden. Make sure you will take care of all of them or else they will roam freely all night and scare off the people.