Arrow Keys to move. Click to shoot. The boss has a shield which is sometimes active and sometimes disabled. In the top left corner, you can see the shield indicator. If it's blue the shields are active, and red is disabled. You can only damage the boss if they are disabled. Yellow bullets are homing bullets. Shoot them to disable them! The green powerup gives YOU homing bullets. The red power up gives you a RAPIDFIRE gun You have one life!
