The following are known GameShark Codes for Creatures: Raised in Space 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.

• Max Reverse Joker Code
  D007FF22 ????
• Debug Menu
  D007FF22 FDEF
  8009EF20 0108
  D007FF22 FDDF
  8009EF20 0109
  D007FF22 FDBF
  8009EF20 010A
  D007FF22 FD7F
  8009EF20 010B
  D007FF22 F7EF
  8009EF20 010C
  Note: R2+Up for Debug Menu 1 | R2+Right for Debug Menu 2 | R2+Down for Debug Menu 3 | R2+Left for Debug Menu 4 | R1+Up for Debug Menu 5