The Lord of the Rings: The Return of the King

Once you've completed the game for the first time, you'll
unlocked the secret codes list:
Start a mission, press START to pause the game,
then press and hold L1+R1+L2+R2 and enter the code below:

Circle,Up,Triangle,Down     - Perfect Mode
Down,Up,Triangle,Square     - All Upgrades
Square,Circle,Square,Down   - Invulnerable
Square,Square,Circle,Circle - Restore Health
Square,Square,Up,Circle     - Infinite Missiles
Triangle,Down,Triangle,Up   - Always Devastating
Up,Circle,Down,Square       - Targeting Indicator Mode


1000 Experience Points:
Pause the game and hold all four shoulder buttons and then
enter one of the following codes, depending on which character
you are playing as. Can be used as many times as you want:
Up, Square, Triangle, X 1000    - Experience for Aragorn
Up, Triangle, Up, Down 1000     - Experience for Frodo
Circle, Triangle, Up, Down 1000 - Experience for Gandalf
Circle, Circle Triangle, X 1000 - Experience for Gimli
X, Triangle, Up, X 1000         - Experience for Legolas
Triangle, X,, Down, X 1000      - Experience for Sam

 