Stay away from zombies

When you wake up, you find that you are in some unfamiliar gloomy place, reminiscent of an old abandoned basement. In your hands you have a fragment of an old rusty pipe, with which you have to fight off local zombies., but if you are careful, you can also find firearms in the basement, but there is only one cartridge in it, so you will have to run around the basement and look for more ammunition …