Become Invincible 
     To  become  invincible, go to the main title screen and press UP,
DOWN,  DOWN,  B,  A,  A,  X,  DOWN, UP, LEFT, B. Now Shrek cannot take
damage!
 
Cheat List 
     Once you unlock Race Mode, you will be able to compete for tokens
by  completing previously completed deeds in a certain amount of time.
Each  cheat  can  be  purchased  for  three  tokens. The cheats are as
follows:

Invulnerability
Infinite Gas
Infinite Flame
Super Strength
Super Flatulence
Leak Mode
Fast Mode
Low Gravity
Money For Merlin
Chalk Mode
Crude Oil Mode
Plastic Mode
Cyber Shadows
 
Unlock Race Mode 
     To  unlock  Race  Mode,  complete four good deeds. Race Mode will
allow you to compete for tokens, which can be used to purchase cheats.
 
Unlock Creepy Crypt 
     Do five good deeds and you will unlock Creepy Crypt.