Waves of zombies attack our Hero.
At the end of every wave:
The Hero can buy health updates and gun updates.
When a zombie hits the base, hero's health gets reduced by a certain percentage.
When the health becomes zero the game ends.
Drag the mouse to move the cursor.
The gun shoots continuously.
Beware of the skeleton zombie and the blue bat. If they hit the hero the game ends.
Move the mouse to aim