Get crushed by the giant blue meteor.
Do not kill the friendly Flees in the first level.
Get dragged into the magnetic boss in level 2.
Do not kill any of the Flees of the arrow formation in level 3.
Keep the truck glowing for 10 seconds.
Be poisoned for at least one minute.
Complete a level without losing a life.
Every shot within a level must hit its target.
Complete all levels.
Get a gold medal for each level.