Level select: Successfully complete the game to unlock a level selection
option.
Information in this section was contributed by gozali86.
Hint: Defeating the final Boss: Stay near the bottom and he cannot hit you, except
for a green bullet that will come your way every once in a awhile.
This is also true on the final form, except when he goes behind
you. You will need to go up to dodge him.
Information in this section was contributed by NYCKU20.
