Haunted Mansion, The

Zeke is a skeleton:
Hold A + B + X + Y at the opening sequence, before the legal screen. Release 
the buttons at the title screen. 


Zeke is invisible:
Hold A + X + L + R at the opening sequence, before the legal screen. Release 
the buttons at the title screen. 


Invincibility:
Hold Right, then press X, B(3), X, B, Y, A during game play. 


Weapon upgrade:
Hold Right, then press X(2), Y(2), B(3), A during game play. 


Level select:
Hold Right, then press B(2), X, Y(2), X, B, A during game play. 


Full health:
When low on health, save then quit the game. Reload the saved game to resume 
with your health restored.