During gameplay, press START and enter any of these codes:

  • Sword Upgrade - Hold L BUTTON + R BUTTON, X, B, X, Y, Y, B, X, B
  • Complete Current Mission - Hold R BUTTON, B, B, B, X, Release R BUTTON, Hold L BUTTON, Y, Y, Release L BUTTON, Hold R BUTTON, B, B
  • Big Heads - Hold R BUTTON, Y, Y, Y, Y, Release R BUTTON, Hold L BUTTON, Y, Y, Hold R BUTTON + L BUTTON, Y, X, Y