Double items:
Highlight the "Advanced" option on the game mode screen and
hold Right until the pointer turns green. Begin game play and
double the normal amount of items, including ink ribbons and
ammunition, will be available.

Change clothes:
Rescue the other two players and finish the game. The phrase
"You've got the special key" will appear after the credits. Save
the game. Start the game that was just saved. Enter the room with
the large mirror on the second floor of the mansion. Unlock
the door in the back. Enter the closet and move all the way to the
end of the rack of clothes. A message asking "There is an
outfit that fits you perfectly, do you want to put it on?" will appear.
Select "Yes" to change your character's clothes.

Reset game:
Pause the game during play and press Start + Select. The game
will reset and return to the main menu.

Controller configuration:
Press Select + Start during game play.

Unlimited rocket launcher:
Finish the game within three hours without rescuing anyone. A
rocket will appear after the credits. Choose to continue
playing after the game restarts. The rocket launcher will be
available when the new game begins. Note that the rocket
launcher does not shoot well upwards or downwards.

Unlimited magnum:
Select advanced mode and complete the game as either character
in any amount of time. The unlimited magnum will be
available when the game is replayed. This weapon makes it easier
to complete the game in under three hours for the
unlimited rocket launcher, at which point both weapons will be
available for another game