Pause the game then Hold L+R and enter the one of the following codes, a sound will let you know if you did it right:
1000 XP for Aragorn - Up, X, Y, A
1000 XP for Frodo - Down, Y, Up, Down
1000 XP for Gandalf - B, Y, Up, Down
1000 XP for Gimli - B, B, Y, A
1000 XP for Legolas - A, Y, Up, A
1000 XP for Sam - Y, A, Down, A
Play as Faramir - A, A, Y, Y
Play as Merry - A, Down, Down, A
Play as Pippin - Y, B, X, Down
Infinite Respawn in Co-op - B, X, Up, B
All Actor Interviews - A, X, A, Up
NOTE: The following cheats only work after you have won the final level!
1000 XP for Faramir - X, Y, Up, X
1000 XP for Merry - B, B, X, A
1000 XP for Pippin - X, A, X, A
Restores Faramir's Missiles - Y, Up, A, A
Restores Merry's Missiles - X, B, B, Y
Restores Pippin's Missiles - Up, B, B, X
All Upgrades - Up, Down, Y, X
Always Devastating - Y, Up, Y, Down
Infinite Missiles - X, X, Down, B
Invulnerable - X, B, X, Up
Perfect Mode - B, Down, Y, A
Restore Health - X, X, B, B
Targeting Indicator Mode - Down, B, Up, X
Beat the game to unlock the following bonus items:
- Billy Boyd interview
- Dom Monaghan interview
- Andy Serkis interview
- David Menham interview
- Palantir of Saruman
- Planatir of Sauron (must have Sam, Gandalf, and 1 of the 3 main characters at level 10)
- Pippen, Merry and Faramir as playable characters.