Description: Invaders from space are approaching the earth and you must blast them out of the sky. If any of the invaders land on Earth, then it's game over. Use the meteors as shields from the enemy onslaught. Take out the flying saucers for extra fire power. Hold out as long as you can from wave after wave of the enemy onslaught. Save the Earth! Scoring: - Aliens are worth 10, 20, 30, 40, 50 or 60 points each depending on row (10 is lowest row & 60 is highest row). - Flyi