Action Replay Codes [US]
The following are known Action Replay Codes for Metal Gear Solid on Sony Playstation (PS1).The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Version 1.0 Codes
Chaff Grenade
800b75420006
Claymore
800b753c0006
FAMAS Rifle And Ammo
800b75340065
Grenade
800b7536000c
Infinite Air
800ae1ac03e7
SOCOM Pistol And Ammo
800b75320019
C-4
800b753e0006
Nikita And Ammo
800b75380004
PSG1 Rifle And Ammo
800b75440006
Stinger And Ammo
800b753a0004
Stun Grenade
800b75400006
Extra Ammo C4
80069c1c0001
Extra Ammo Claymore
800698d00001
Extra Ammo FAMAS
800682ec0001
Extra Ammo Nikita
80068fd80001
Extra Ammo PSG1
8006a3700001
Extra Ammo SOCOM
80067cd00001
Extra Ammo Stinger
8006951c0001
Body Armor
800b756a0001
Diazepam
800b75780004
Gasmask
800b75680001
Ketchup
800b756c0001
Night Vision Goggles
800b75640001
Rations
800b75740002
Steath Suit
800b756e0001
Thermal Goggles
800b75660001
Bandana
800b75700001
Camera
800b75720001
Cardboard Box A
800b755e0001
Cardboard Box B
800b75600001
Cardboard Box C
800b75620001
Cigarettes
800b755a0001
Hankerchief
800b75860001
Infinite Health
800b752603e7
Level 10 Key
800b757c000a
Medicine
800b75760004
Mine Detector
800b75800001
MO Disc
800b75820001
Never Reload
800ae164000d
PAL Keycard
800b757a0001
Rope
800b75840001
Scope
800b755c0001
Press L1 For Cold PAL Key
d00b2d600004
800b759a0002
d00b2d580004
800b75920002
Press R1 For Normal PAL Key
d00b2d600008
800b759a0000
d00b2d580008
800b75920000
Press R2 For Hot PAL Key
d00b2d600002
800b759a0001
d00b2d580002
800b75920001
Version 1.1 Codes
Bandana
800b7578 0001
Body Armor
800b7572 0001
C-4
800b7546 0004
Camera
800b757a 0001
Cardboard Box A
800b7566 0001
Cardboard Box B
800b7568 0001
Cardboard Box C
800b756a 0001
Chaff Grenade
800b754a 0003
Cigarettes
800b7562 0001
Claymore
800b7544 0006
Diazepam
800b7580 0002
Extra Ammo C-4
80069c24 0001
Extra Ammo Claymore
800698d8 0001
Extra Ammo FAMAS Rifle
800682f4 0001
Extra Ammo Nikita
80068fe0 0001
Extra Ammo PSG1 Rifle
8006a378 0001
Extra Ammo SOCOM Pistol
80067cd8 0001
Extra Ammo Stinger
80069524 0001
FAMAS Rifle and Ammo
800b753c 0065
Gasmask
800b7570 0001
Grenade
800b753e 0008
Handkerchief
800b758e 0001
Infinite Air
800ae1b4 03e8
Infinite Health [Note 1]
800b752e 03e8
Ketchup
800b7574 0001
Level 10 Key
800b7584 000a
Medicine
800b757e 0002
Mine Detector
800b7588 0001
MO Disk
800b758a 0001
Never Have Time Bomb
800b7586 0000
Never Reload
800ae16c 000d
Night Vision Goggles
800b756c 0001
Nikita and Ammo
800b7540 0004
PAL Key
800b7582 0001
PSG1 Rifle and Ammo
800b754c 0005
Rations
800b757c 0002
Rope
800b758c 0001
Scope
800b7564 0001
SOCOM Pistol and Ammo
800b753a 0019
Stealth Suit
800b7576 0001
Stinger and Ammo
800b7542 0004
Stun Grenade
800b7548 0003
Suppressor
800b7590 0000
Thermal Goggles
800b756e 0001