Haunted Mansion cheats and cheat codes for Playstation 2

Invincibility:
Hold Right, then press Square, Circle, Circle, Circle, Square, 
Circle, Triangle, X during game play. 

Weapon upgrade:
Hold Right, then press Square, Square, Triangle, Triangle, Circle, 
Circle, Circle, X during game play. 

Stage select:
Hold Right, then press Circle, Circle, Square, Triangle, Triangle, 
Square, Circle, X. 

Level - Password 

Level 2 - Ox, Horse, Tiger, Sheep 
Level 3 - Rooster, Boar, Rabbit, Dragon 
Level 4 - Rat, Dog, Monkey, Snake 
Level 5 - Sheep, Tiger, Horse, Ox 
Level 6 - Dragon, Rabbit, Boar, Rooster 
Level 7 - Snake, Monkey, Dog, Rat

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

Zeke is invisible:
Hold X + Square + L1 + R1 at the opening sequence, before the legal screen. 
Release the buttons at the title screen. 

Health Restoration 
Save and quit your game. Then load back your saved game, and you'll 
begin at the save point with maximum health.