The following are known Code Breaker Codes for Masters of the Universe – He-Man: Power of Grayskull on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  90914CF4 8AAA
  67F1D7D8 D4BA
  D03F9648 55A6
• Infinite Health (He-Man)
  688E5082 53AF
• Infinite Health (Partner)
  C98E6E91 6B8C
• Infinite Lives
  8EF2931F E690
• Max Damage
  C8EE5393 5388
• Have Keys
  9FF0B186 7A6B
  906FEF4D 5D80
• Have 50 Crystals
  D86C53BA 65AA
  D02D52F3 5148
• Quick-Sand Proof
  786CF183 5B89
• Multi Jump
  69BD88DA E76B
  6E83EA5A 96A2
  69BD88DA E76B
  7428EA9A 5E6A