The following are known Action Replay Codes for Eternal Ring 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
EC8794F8 1456E60A

Infinite Hit Points
4C8A7BBC 1456E781
4C8A7BBA 1456E781

Infinite Mana Points
4C8A7BC0 1456E781
4C8A7BBE 1456E781