click to shoot stop the drones from spawning ground troops sky born aliens shoot phantoms at you. sue the house cursor to swat away the face huggers shoot the ground troops to destroy them kill the elite ground troops before they get to close use mouse cursor to grab hearts that fly across the screen to gain 10 hit points. mechs require lots of hits to kill.
comment to help me improve this! story. aliens have been planning to invade earth and president sleet has issued a preemptive strike. backgrounds credit to terraria and magic studio (background remover). 5 maps. forest desert arctic underground finale.
