The following are known GameShark Codes for WCW Backstage Assault 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.

• Reverse Joker Command
  D00AF78C ????
• Unlock Everything
  50000F02 0000
  800934C8 0000
  Note: GameShark Version 2.2+ Required
• Unlock Everything (Caetla Only)
  B00F0002 00000000
  800934C8 0000
• Infinite Creation Points
  D01FFEB0 0001
  801FFEB0 0063