Lord of the Rings, The - The Two Towers cheats and cheat codes for Gamecube

Pause the game play, after press the following button combinations:
If the codes are accepted, sound of a sword will confirm the
correct code entry. 

Level 2 skills
Hold L + R and press X, Right, X, Right.

Level 4 skills
Hold L + R and press Y, Up, Y, Up.

Level 6 skills
Hold L + R and press B, Left, B, Left.

Level 8 skills
Hold L + R and press A, A, Down, Down.

Refill health
Hold L + R and press Y, Down, A, Up.

Refill ammunition
Hold L + R and press A, Down, Y, Up.

Additional 1000 experience points
Hold L + R and press A, Down, Down, Down.

Invincibility*
Hold L + R and press Y, B, A, X.

Unlimited missile weapons*
Pause the game, then L + R and press B, X, A, Y.

Devastating attacks*
Hold L + R and press B, B, X, X.

Unlock all combo upgrades*
Hold L + R and press Y, X, Y, X. 

Tiny enemies*
Hold L + R and press Y, Y, A, A.

Enable Slow-motion mode
Hold L + R and press Y, X, A, B.

* Note: You have to finish the game once before using this code.


Unlock Isildur playable character:
Finish the game with Aragorn, Gimli, and Legolas

Unlock Tower Of Orthanc level:
Finish the game once with any character at level 10. 

Unlock Fangorn and Tower Of Orthanc background photos:
Finish the Fangorn's Forest stage with any character.

Unlock Rohan and Helm's Deep background photos: 
Finish the Plains of Rohan stage with any character. 

Unlock Fellowship Of The Ring background photos: 
Finish the Balin's Tomb stage with any character. 

John Rhys-Davis interview:
Play with Gimli and reach level 5. 

Orlando Bloom interview:
Play with Legolas and reach level 5. 

Viggo Mortenson interview:
Play with Aragorn and reach level 5.