The following are known Code Breaker Codes for Inspector Gadget: Advance Mission on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  9591B6FE CD7A
  C0D84761 9A5F
  6D1A0715 F39F
• Invincible
  F08A6249 5978
• Infinite Health
  EEE96A2C FFB4
• Infinite Lives
  C3E92A39 96B4
• Infinite Dynamite
  5F5852DA 9E00
• Press A For Moon Jump
  331E837B C205
  E0DA1AAB 7A6D
  331E837B C205
  1D676156 0198
• Max Score
  1F250052 2DB1
• Infinite Oxygen
  F2D0636F DE74
• Have Plunger
  ACDE73A2 C2DD