Aliens are trying to invade the moon. You are our only hope to save us. Type the names of the invaders as fast as you can and destroy all the enemy ships. Don't let them get too close because then they can destroy us. Type the bigger ships first if you get the chance, because they can fire small ships that move really fast. Keep an eye on your health and don't make any mistakes, it will cost you time
Use the keyboard to rescue the moon.