Goal: Get as many points as possible while you still have lives
You get a maximum of 5 lives and score 10 points per second. If you pick up a shield and you have full lives, you gain 100 points.
If you hit a mine or a bad guy, you lose a life. If you pick up a shield, you gain a life.
Each time you hit a mine or shield, they will spawn in a different location. So you still have a chance to continue to gain and lose lives.
After your lives are expended the screen will go blank with no objects and your score is shown in the bottom right. You can then exit, or try again using the reset, lower or raise your level buttons. The current level, points earned, and lives display at the bottom.