In the new part of the game Zombie Mission 12 you will go to the times of the Wild West. Then there were zombies that attack the settlements of cowboys. You will have to help your character fight them. In front of you on the screen you will see the hero you have chosen, which, under your leadership, will move forward. Your task is to overcome various obstacles and traps. Explore various caches along the way and collect items that will be scattered on the road. When you notice zombies, approach them at a certain distance and, aiming, open fire to kill. By shooting accurately, you will destroy zombies and for this you will be given points in the Zombie Mission 12 game.