The game requires you to battle undead and secure the location. Your successful actions get rewarded, allowing you to buy better guns in the shop.
You can also buy advanced bullets that go deeper and do more damage.
The game has six different areas that you can play through as many times as you like. As you play through an area, the undead get stronger and more numerous. After you've played through an area three times, a new area opens up. The number of times you've finished an area shows your progress on 1/3 of the map.
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How to control the game using the virtual joystick:
- On a smartphone or tablet, tap the screen to shoot.
- On the desktop computer, left-click to shoot.
- To unlock a new location, you must traverse it three times.