The following are known GameShark Codes for Final Doom on Sony Playstation (PS1).

• Have the Blue Key
  800ab358 0001
• Have the Red Key
  800ab354 0001
• Have the Yellow Key
  800ab35c 0001
• BFG 9000
  800ab39c 0001
• Have the Chaingun
  800ab390 0001
• Have the Chainsaw
  800ab3a0 0001
• Have the Plasma Rifle
  800ab398 0001
• Have the Rocket Launcher
  800ab394 0001
• Have the Shotgun
  800ab388 0001
• Have the Super Shotgun
  800ab38c 0001
• Have the Have All Guns (GameShark 2.2 or Higher)
  50000704 0000
  800ab388 0001
• Infinite Ammo (GameShark 2.2 or Higher)
  50000404 0000
  800ab3a4 03e7
• Infinite Armor
  800ab334 0064
• Infinite Bullets
  800ab3a4 03e7
• Infinite Plasma
  800ab3ac 03e7
• Infinite Rockets
  800ab3b0 03e7
• Infinite Shotgun Shells
  800ab3a8 03e7
• Have the Map
  800ab34c 0001
• Rapid Fire
  800ab3f8 0001