Pause the game, hold L + R, then press the following buttons for the corresponding code:  NOTE: The game must be completed before this code will enable.

Cheat Code	Code
Perfect Mode	X, Down, Y, A
Upgrade All Attacks	Up, Down, Y, B
Invincibility	B, X, B, Up
Restore Full Health	B, B, X, X
Unlimited Missile Weapons	B, B, Down, X
Always Devastating Mode	Y, Up, Y, Down
Target Indicator	Down, X, Up, B

Unlock Faramir, Merry, Pippen, Andy Serkis Interview, Billy Boyd Interview, David Menham Interview, and Dom Monaghan Interview

Beat the game.