1. Arrows to Move 2. Space or click to shoot 3. Avoid Asteroids 4. Two flying saucers appear periodically on the screen: a. Large Saucers Shoot Randomly b. They are worth 100 points 5. a. Small Saucers are smart enough to take a shot at you b. They are worth 1000 points 6. Don't lose all lives 7. The player starts with 5 lives upon game start and gains an extra life per 10,000 points. 8. As the player shoots asteroids, they break into smaller asteroids that move faster and are more difficult to hit. 9. The objective of Asteroids is to destroy asteroids and saucers.
