Complete Zone 1
Defeat the boss of Zone 1 without taking damage (stage select OK)
Complete Zone 2
Defeat the boss of Zone 2 without taking damage (stage select OK)
Defeat the boss of Zone 3 without taking damage (stage select OK)
Complete Zone 3
Reach the maximum amount of health
Complete Zone 4
Defeat the boss of Zone 4 without taking damage (stage select OK)
Complete Zone 5
Defeat the boss of Zone 5 without taking damage (stage select OK)
Complete Zone 6
Defeat the boss of Zone 6 without taking damage (stage select OK)
Complete Zone 7
Defeat the first form of the final boss without taking damage (stage select OK)
Defeat the second form of the final boss without taking damage (stage select OK)
Complete the entire game without losing a life
Upgrade any weapon to full power