The following are known GameShark Codes for Pipe Dreams 3D 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
  8010D210 0009
• Extra Lives
  800174C8 0001
• Score Modifier
  8010D218 ????
• Max Score
  8010D218 C9FF
  8010D21A 3B9A