Defeat the 8 Bosses with the Mega Buster.
Clear the game without using any Energy or Mystery Tanks.
Clear the game 5 times in 1 day.
Clear the game without dying.
Defeat every type of enemy.
Clear the game in 60 minutes or less.
Clear the game without continuing.
Clear the game once.
Defeat a Boss without getting damaged.
Defeat your 1000th enemy.
Clear the game by defeating the fewest number of enemies possible.
Clear the game by using the least amount of Weapon Energy possible.