Angry aliens are invading earth! Shoot the invaders while teaching them a thing or two about evolution! Your knowledge and shooting skills just might save the world!
We will ask you a question or give you a clue. Shoot the alien commander with the vocabulary term that best matches the question or clue! Controls:Left arrow = move leftRight arrow = move rightSpacebar = shootSpecial:Down arrow = grenades (levels 4, 6, 7, 8 and 9 only)