Description/Instructions:
Protect your buildings
from the alien invasion! When your cannon
or all your buildings have been destroyed
its game over. Destroy the small aliens as
well as taking out the mothership when you
can. The motherships health is the red bar
in the top left corner, your cannons health
is the blue bar underneath it.
Use the mouse to aim and
the left mouse button to shoot. Keep it held
down for rapid fire.
