Lord of the Rings - The Return of the King cheats and cheat codes for PC

Start a mission, press the Escape key, press and hold left ctrl, left shift, and left 
alt and enter the code on the numeric keypad:

3 Hit Combo's :
Three Hit Combo Aragorn - 7958
Three Hit Combo Frodo - 7967
Three Hit Combo Gandalf - 9469
Three Hit Combo Merry - 6486
Three Hit Combo Faramir - 7686
Three Hit Combo Gimli - 8757
Three Hit Combo Legolas - 7665
Three Hit Combo Pippin - 8875
Three Hit Combo Sam   - 7457

4 Hit Combo's:
Four Hit Combo Frodo - 9795
Four Hit Combo Gandalf - 9685
Four Hit Combo Merry - 7Four77
Four Hit Combo Faramir - Four78Four
Four Hit Combo Gimli - 678Four
Four Hit Combo Legolas - Four567
Four Hit Combo Pippin - FourFour95
Four Hit Combo Sam - 8966

Press Left Ctrl, Shift, and Alt while entering code on menu screen:

+1000 Experience Pts.:
+1000 Experience Pts. Aragorn - 8764
+1000 Experience Pts. Faramir - 7687
+1000 Experience Pts. Frodo - 9689
+1000 Experience Pts. Gandalf - 5689
+1000 Experience Pts. Gimli - 5564
+1000 Experience Pts. Legolas - 4684
+1000 Experience Pts. Merry - 9974
+1000 Experience Pts. Pippin - 6474
+1000 Experience Pts. Sam - 6494

Lvl. two skills:
Level 2 Skills Anagorn - 5646
Level 2 Skills Faramir - 4749
Level 2 Skills Frodo - 6895
Level 2 Skills Gandalf - 9646
Level 2 Skills Gimli - 8577
Level 2 Skills Legolas - 7757
Level 2 Skills Merry - 5977
Level 2 Skills Pippin - 9498
Level 2 Skills Sam - 5456

Lvl. four skills:
Level 4 Skills Frodo - 6859
Level 4 Skills Gimli - 6798
Level 4 Skills Merry - 7459
Level 4 Skills Aragorn - 9757
Level 4 Skills Faramir - 4477
Level 4 Skills Legolas - 9944
Level 4 Skills Pippin - 4999
Level 4 Skills Sam - 8974

Lvl. six skills:
Level 6 Skills Frodo - 9946
Level 6 Skills Gandalf - 6648
Level 6 Skills Gimli - 9697
Level 6 Skills Merry - 9976
Level 6 Skills Aragorn - 5677
Level 6 Skills Faramir - 6495
Level 6 Skills Legolas - 9589
Level 6 Skills Pippin - 5656
Level 6 Skills Sam - 9988

Lvl. eight skills:
Level 8 Skills Faramir - 5999
Level 8 Skills Gandalf - 5799
Level 8 Skills Legolas - 7889
Level 8 Skills Merry - 9647
Level 8 Skills Aragorn - 8768
Level 8 Skills Frodo - 5599
Level 8 Skills Gimli - 4597
Level 8 Skills Pippin - 7885
Level 8 Skills Sam - 5566

Characters:
Hold down the Shift+Alt+Ctrl keys on the pause screen and after enter one of the 
following codes -

Faramir - 4466
Frodo - 5774
Merry - 4994
Pippin - 6579












Cheat mode:
While playing on a level hit the ESC key to pause the game, then hold 
LEFT SHIFT + LEFT CTRL + LEFT ALT and type any of the following cheat 
codes on the Keypad to activate the indicated cheat effect:
If the code is accepted, you will hear a metallic sound.

Code - Effect

Any 
8967 - All upgrades (need finish the game first)
6869 - Always Devasting (need finish the game first)
9444 - co-op experience share
6877 - co-op health share
9587 - Enemy Debug Mode (need finish the game first)
5785 - Infinite co-op respawns
7795 - Infinite Missiles (need finish the game first)
7578 - Invulnerable (need finish the game first)
5964 - Perfect Mode (need finish the game first)
7755 - Restore Health (need finish the game first)

Aragorn 
8764 - Add 1000 exp. points (one time only)
8769 - Four hit combo
5646 - Level 2 Skills
9757 - Level 4 Skills
5677 - Level 6 Skills
8768 - Level 8 Skills
6776 - Restore Missiles (one time only)
9566 - Special Abilities
7958 - Three hit combo

Faramir 
7687 - Add 1000 exp. points (one time only)
4784 - Four hit combo
4749 - Level 2 Skills
4477 - Level 4 Skills
6495 - Level 6 Skills
5999 - Level 8 Skills
6844 - Restore Missiles (one time only)
8758 - Special Abilities
7686 - Three hit combo
4466 - Unlock Secret Character (one time only)

Frodo 
9689 - Add 1000 exp. points (one time only)
9795 - Four hit combo
6895 - Level 2 Skills
6859 - Level 4 Skills
9946 - Level 6 Skills
5599 - Level 8 Skills
6665 - Restore Missiles (one time only)
6494 - Special Abilities
7967 - Three hit combo
6555 - Unlock Secret Character (one time only)
5774 - Unlock Secret Character (one time only)

Gandalf 
5689 - Add 1000 exp. points (one time only)
9685 - Four hit combo
9646 - Level 2 Skills
6874 - Level 4 Skills
6648 - Level 6 Skills
5799 - Level 8 Skills
6947 - Restore Missiles (one time only)
8965 - Special Abilities
9469 - Three hit combo

Gimli 
5564 - Add 1000 exp. points (one time only)
6784 - Four hit combo
8577 - Level 2 Skills
6798 - Level 4 Skills
9697 - Level 6 Skills
4597 - Level 8 Skills
5554 - Restore Missiles (one time only)
5745 - Special Abilities
8757 - Three hit combo

Legolas 
4684 - Add 1000 exp. points (one time only)
4567 - Four hit combo
7757 - Level 2 Skills
9944 - Level 4 Skills
9589 - Level 6 Skills
7889 - Level 8 Skills
6669 - Restore Missiles (one time only)
6545 - Special Abilities
7665 - Three hit combo

Merry 
9974 - Add 1000 exp. points (one time only)
7477 - Four hit combo
5977 - Level 2 Skills
7459 - Level 4 Skills
9976 - Level 6 Skills
9647 - Level 8 Skills
7556 - Restore Missiles (one time only)
8655 - Special Abilities
6486 - Three hit combo
4994 - Unlock Secret Character (one time only)

Pippin 
6474 - Add 1000 exp. points (one time only)
4495 - Four hit combo
9498 - Level 2 Skills
4999 - Level 4 Skills
5656 - Level 6 Skills
7885 - Level 8 Skills
8597 - Restore Missiles (one time only)
7456 - Special Abilities
8875 - Three hit combo
6579 - Unlock Secret Character (one time only)

Sam 
6494 - Add 1000 exp. points (one time only)
8966 - Four hit combo
5456 - Level 2 Skills
8974 - Level 4 Skills
9988 - Level 6 Skills
5566 - Level 8 Skills
4454 - Restore Missiles (one time only)
8545 - Special Abilities
7457 - Three hit combo

n/a  
4748 - Unlock all Actor Interviews (one time only)


Quick start:
Run the game with the "+forcemenu main" command line parameter.
The game will start faster. 

Unlock Faramir: Finish the game to play as Faramir. 
Unlock Merry: Finish the game to play as Merry. 
Unlock Pippen: Finish the game to play as Pippen. 

View interviews:
Finish the game once to watch Andy Serkis, Billy Boyd, David Menham and Dom 
Monaghan interview.

Hidden trailer:
Remain idle at the main menu for a few minutes to see a new trailer 
for the game.

Palantir of Saruman level:
Finish the game by completing the Crack Of Doom level.

Palantir of Sauron level:
Finish the game then train all characters to over level 10. 
Note: 
Minas Tirith: The Courtyard or Palantir Of Saruman levels are the best 
places to train your heroes to level 10 and above.