Enemy's will come to your base. Spawn aliens by clicking their respective icons. Level up your max money by clicking the button on the bottom left corner. When its done charging, fire the cannon by clicking the button on the bottom right corner. There can only be 1 of each type of alien on the field at a time. When your on the map, use the arrow keys to move on the map (Left to go back a level, and Right to go forward a level) Website: https://alieninvasionscratch.weebly.com/
