The following are known Code Breaker Codes for Gem Smashers on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  0000FAF4 000A
  10029CC0 0007
• Quick Score
  830043EC FFFF
• Max Score
  830043EC 967F
  830043EE 0098
• Infinite Lives
  8300440C 0009