The following are known Action Replay MAX Codes for Rugby 2004 on Sony Playstation 2 (PS2).

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

• Master Code – Must Be On
  Y4YR-8Y2E-5KUE8
  QYQQ-P1D8-B3ET4
• No Limit-Special Abilities
  GFCN-1YYF-CWMB7
  1W13-131N-CWVWC
  Note: For Created Players