Start by picking your cowboy character. Employ the WASD to move your cowboy around the wild west. Click the left mouse button to fire zombies with your rifle. Gather resources like stone by approaching them and tapping the action key. Erect your shelter by picking from the building menu and setting it in a safe location. Sow seeds and gather crops to sustain your food supply. Monitor your hunger levels to guarantee survival. Endure as many days as possible by protecting your shelter and killing zombies. Modify your tactics based on the increasing zombie numbers.