The following are known GameShark Codes for The Wild Thornberrys: Animal Adventures on Sony Playstation (PS1).
These codes were also known as Action Replay Codes and in most cases will work on both devices.

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

• Infinite Strokes (Iceland Golf)
  8008D8FC 0009
• All Postcards / All Levels Unlocked
  8008DA5A FFFF
  8008DA58 FFFF