The following are known GameShark Codes for Turnabout 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.

• Always No Steps
  8015C1E4 0000
• Enable All Levels
  8015C188 0009
• Puzzle Modifier
  8015C1B8 00??
  Note: Use 00 – 63