The following are known Code Breaker Codes for Sonic the Hedgehog: Genesis on Nintendo Game Boy Advance (GBA).

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

• Infinite Lives
  330030EE 0003
• Max/Infinite Rings
  830030EC 03E7
• Infinite Time
  83002208 0000
• Max Score
  830021F0 7F00
  830021F2 9896