Unlimited Charges (Frodo)

While idle during the game (not moving or attacking)press Y, B, A, B, Y, X.

Get the Fish
Just before you get to the second campfire with the two trolls and the wolves, look for a fallen tree. Follow it to the top of the hill and you will meet Gollum. After a brief cutscene, the vile creature will throw you a fish -- which, for the rest of the game, replaces Aragorn's sword and proves to be a mighty weapon indeed.

Infinite Ammo
To cheat your way to infinite ammo, press these buttons quickly during gameplay: X, B, Y, A, X, B.

Infinite Magic For Gandalf
During gameplay, quickly press X, Y, A, X, B, X.

Infinite Ring Power
To have infinite ring power, quickly press Y, B, A, B, Y, X during gameplay (Frodo only).

Unlimited Health
During gameplay, press Y, A, X, B, A, Y quickly to get inifinite health.