The following are known Code Breaker Codes for The Lord of the Rings: The Third Age on Nintendo Game Boy Advance (GBA).

These codes are for the U.S. version of the game.

• Master Code – Must Be On
  0000CA6A 000A
  1001B494 0007
• Max EXP-All Characters
  42002C48 03E7
  00000012 0028

Party Codes

• Good Side-Infinite Attack Points
  73003530 0100
  33003490 0009
  73003530 0100
  33003434 0009
  73003530 0100
  330034EC 0009
• Evil Side-Never Has A Turn
  73003530 0000
  33003434 0000
  73003530 0000
  33003490 0000
  73003530 0000
  330034EC 0000
• Good Side-Always Free Move
  73003530 0100
  3300352A 0001
• Evil Side-Never Free Move
  73003530 0000
  3300352A 0000
• Good Side-Has No Attack Points
  73003530 0100
  33003490 0000
  73003530 0100
  33003434 0000
  73003530 0100
  330034EC 0000
• Evil Side-Infinite Attack Points
  73003530 0000
  33003434 0009
  73003530 0000
  33003490 0009
  73003530 0000
  330034EC 0009
• Evil Side-Always Free Move
  73003530 0000
  3300352A 0001
• Good Side-Never Free Move
  73003530 0100
  3300352A 0000