The following are known Code Breaker Codes for Shrek Swamp Kart Speedway on Nintendo Game Boy Advance (GBA).

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

• Master Code – Must Be On
  9FF42D89 E8E8
  40304D80 61C9
  45DEBDE3 4D83
• Instant Win
  33DB4D33 4686
• Unlock Donkey
  C6B57EC2 6FC8
• Unlock Wolf
  F6B57EF3 6FC8
• Unlock Robin Hood
  C697AEC2 6FC8
• Unlock Prince Farquad
  F697AEF3 6FC8
• Unlock All Characters
  CEB1776A 4EC0
  CE93A76A 4EC0
• Unlock All Areas
  8956EEEA 9C1B
  33A4453D 42E6
• Unlock All Racetracks
  8268F6C5 BA70
  78829D37 64E9