The following are known Code Breaker Codes for No Rules: Get Phat on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  913B7964 DAB8
  34FBC642 CA09
  3ECD5003 000B
• Press Select to Refill Health
  1C2E73FB 67A0
  9EE479C1 0401
• Infinite Lives
  BAD6DB84 A783
• Quick Score Gain
  CF973A09 F976
• Max Score
  8E16FA29 B3AB
  BA465B25 0623
• Have 10 Tires
  9EE47940 0401
• Infinite Red Shots
  30F8C544 ED81
• Infinite Blue Shots
  38BCD05C E181
• Always Have Shield
  1CCE7382 4603
• Always Have Freeze
  1CAC705A 4001