Invincibility: In the Japanese version, press B(2), Select,
A, Up, Select, Right, Start
before the title screen appears. The word "MUTEKI" will
appear to confirm correct code entry.
Level select: Enter one of the following codes at the title screen,
press Start.
Level 2: Press A, B, A(3), Up, Down,
B.
Level 3: Press Select, A, B(2), A,
Select, Down, Up.
Level 5: Press Down, Right, Left, B,
A, B, Select(2).
Level 6: Press Up, Left(2), Right, B,
Select, A, Select.
Boss Rush mode: In the Japanese version, press A, B,
A, Select(3), Right, Up, Start
at the title screen.
Switch skills during game play: Press Select during game play and change skills
as if you were at the start of the game. Note: This cannot be
done while fighting a Boss.
Information in this section was contributed by Robert Essen.
Hint: Secret walls: Shoot five to ten times at each wall in each position
to find secret rooms.
Information in this section was contributed by Robert Essen.
Hint: Energy refill: Enter rooms that do not have a kid in them and defeat
all the enemies to get your energy refilled.
Information in this section was contributed by Robert Essen.
Hint: Defeating El Toro: Use the Fire Bomb, Fire Ring, lightning, and missiles
(in that order).
Information in this section was contributed by atx reprezinta.
