The following are known GameShark Codes for The Land Before Time: Return to the Great Valley on Sony Playstation (PS1).

• All Characters: Infinite Lives
  80037B9E 2400
• Littlefoot: Infinite Lives
  300D7811 0005
• Littlefoot: Have 98 Leaves
  E20D7813 0062
  300D7813 0062
  Note: GameShark 2.2+ Required
• Ducky: Infinite Lives
  300D7814 0005
• Ducky: Have 98 Leaves
  E20D7816 0062
  300D7816 0062
  Note: GameShark 2.2+ Required
• Cera: Infinite Lives
  300D7817 0005
• Cera: Have 98 Leaves
  E20D7819 0062
  300D7819 0062
  Note: GameShark 2.2+ Required
• Spike: Infinite Lives
  300D781A 0005
• Spike: Have 98 Leaves
  E20D781C 0062
  300D781C 0062
  Note: GameShark 2.2+ Required