The following are known GameShark Codes for M&M’s Shell Shocked 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 Lives
  80068738 0009
  8006873C 0009
• Maximum Minis Rescued
  80068742 03E7
  80068744 03E7
• Maximum Worth
  8003FDDC 0063