The following are known Action Replay Codes for Rugby 2004 on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark (Version 1 & 2)

Master Code – Must Be On
0E3C7DF2 1853E59E
EEA3F2B2 BCE49FC2

Created Player Codes

No Limit-Special Abilities
CEB5CA2A BCA99B83