The following are known Action Replay MAX Codes for Silpheed: The Lost Planet on Sony Playstation 2 (PS2).

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

• Master Code – Must Be On
  3R9H-78EF-0GKQZ
  17UV-2CN4-1MMCW
  CHTH-RP0M-5GCM4
• Infinite Shield
  FPEX-V703-UHBN5
  401M-4ZTM-6F0R8
• Have All Weapons
  66RP-7DR9-280GX
  DB6Y-56H8-1VXJQ