Placed in an abandoned university plagued by undead, you need to be creative and resourceful to have a chance of surviving. Your goal is to escape the building, but the hordes of zombies have other plans.
Everything in the environment is intractable and can be used to increase your odds of survival. Starting out with just a knife, pistol, and flashlight, you'll have to find better means of survival to make it through the night.
Zombies surge with increasingly challenging waves
Place wooden boards in doorways to barricade zombies
Use ladders, chairs, and anything you find to discover new powerful tools for survival
Try to escape while you can - a church bell will ring when you can expect another wave of zombies
Always keep an eye out - zombies like to trickle in