The following are known GameShark / Action Replay Codes for DOOM on SEGA Saturn.

• Master Code
  F6000914 C305
  B6002800 0000
• Invincibility
  16089356 0064
  1608935A 00C8
  16089362 0001
• Rapid Fire
  16089426 0001
• Have Chainsaw
  160893C6 0001
• Have Shotgun
  160893AE 0001
• Have Double Barrel Shotgun
  160893B2 0001
• Have Chaingun
  160893B6 0001
• Have Rocket Launcher
  160893BA 0001
• Have Plasma Rifle
  160893BE 0001
• Have BFG 9000
  160893C0 0001
• Infinite Bullets
  160893CA 03E7
• Infinite Shotgun Shells
  160893CE 03E7
• Infinite Rockets
  160893D6 05FF
• Infinite Plasma
  160893D2 05FF
• Have Red Key
  1608937A 0001
• Have Yellow Key
  16089380 0001
• Have Blue Key
  1608937C 0001
• Turn On Level Map
  16089372 0001