Metal Gear Solid Cheats & Codes

Cheat Codes

Start the game with the "mgsi.exe -cheatenable" command line. Then, press one 
of the following keys during a game to activate the corresponding cheat function:

RESULT					KEY 

Restore energy				[F2]
Infinite ammunition, only at certain points		[F4]
Return to normal view from observe mode		[F5]
Observe mode; camera can be moved throughout level	[F6]
Immediately restart level with all items already collected	[F7]
Toggle alternate graphics textures			[F8]
Toggle alternate graphics textures			[F9]
Toggle alternate graphics textures			[F11]
Toggle alternate graphics textures			[F12]

Metal Gear Solid Hints, Tips, Tricks, Secrets, & Glitches

Hidden Ghosts

Take a picture of the following locations using the camera to view hidden ghosts 
who are KCEJ development team members.

Name		Location

Fujimura		Elevator in the Comm Tower B complex 
Fukushima		Heliport; looking out to sea from cliff 
Hirano		Elevator in Comm Tower B; deep in the shaft of top level
Ishiyama		Heliport top of building 
Ito		Inside elevator to tank hangar 
Jerem Blaustein	Sniper Wolf's corpse 
Kaneda		The mirror located in the Women's restroom 
Kimura		MG underground base; tip of Metal Gear 's railgun 
Kinbara		Dark area of stairs 
Kitao		Decoy Octopus (fake DARPA chief) corpse 
Kobayashi		Rock in canyon 
Kobayashi		Johnny Sasaki holding cell, near DARPA chief 
Kojima		Otacon lab; the picture frame to the right
Korekado		Men's restroom 
Kozyou		Behind the watertank-like structure in the Canyon 
Kutome		Observation room 
Makimura		Hidden armory store room; behind the weakened wall
Matsuhana		Hallway of corpses; outside Otacons lab
Mizutani		When fighting Metal Gear
Mori		Lowest point of elevator; Comm Tower B 
Mukaide		Reflection in wolfdog cave puddle 
Muraoka		Water in cargo dock 
Nakamura		In Meryl's blood pool; where she is sniped
Negishi		Sewage waterfall
Nishimura		Next to Baker's corpse 
Okajima		Maggots of the real DARPA Chef in cell 
Onoda		Where Baker is tied up 
Sasaki		Picture frames in the Commander's room 
Sato		Comm Tower A; roof destroyed by Hind D missiles 
Scott Dolph		Deep down in the dark from the walkway between Comm 
		Towers A and B
Shigeno		Heliport,security caera by staircase 
Shikama		Electric floor 
Shimizu		Wolf dog cave; first crawling point
Shinkawa		Deep in Sniper Wolf's hallway behind the second pillar
Sonoyama		Torture machine 
Takade		Ninja room; glass atedga 
Tanaka		Heliport; sleeping soldier 
Tougo		End of boiler room; in Blast Furnace with the steam 
Toyota		Container in the middle of Raven's warehouse 
Uehara		Edge of elevator; where the ravens are
Yamashita		Tip of nuke warhead in nuke storage room 
Yoshimura		Dead end of air duct 
Yoshioka		Bridge on the third floor of the blast furnace

Humorous Meryl Comments

Look at Meryl with the scope or camera.

Pantless Meryl

Follow Meryl into the Women's bathroom and reach the last stall in under five seconds. Meryl will be caught with her pants down during the next sequence.

Codec Frequencies

Name		Frequency

Campbell/Naomi	140.85
Mel Ling		140.96
Master		141.80
Otacon		141.12
Meryl		140.15
Nastasha		141.52
Deepthroat		140.48

Alternate Costume

Successfully complete the game two times using the same saved game file, and getting a different ending both times by getting the bandana and stealth camouflage. Then during the next (third) time the game is played, Snake will change into a tuxedo in the elevator.

New Textures

Successfully complete the game two times using the same saved game file, and getting a different ending both times by getting the bandana and stealth camouflage. Then during the next (third) time the game is played, reach Ninja without using the bandana or stealth camouflage. If done correctly, Ninja will be red. There will now be new textures for Snake and Ninja and new bonus music during the ending.

Camera

Reach area B2 of the tank hanger. Then at the end of the hallway to the right of the door where you fight Ocerot is a secret room that is entered after using C4 explosive. In the room are security card level 4 and 6 doors. The camera is in the room behind the security card level 4 door. Alternatively, beat the game with submitting to Ocelot when being tortured. After you receive the camera there will be an "Album" option on the main menu, use this option to view pictures that have been taken.

Stealth Camouflage

Successfully complete the game with submitting to Ocelot when being tortured to not save Meryl. Then at the end of the game you will receive stealth camouflage. Save your game, then start a new game using the same saved game. Now when you equip the stealth camouflage enemies (except bosses) and cameras will not detect you.

Infinite Ammo

Successfully complete the game without submitting to Ocelot when being tortured to save Meryl. Then at the end of the game you will receive a bandana. Save your game, then start a new game using the same saved game. Now when you equip the bandana you can use an unlimited amount of ammo and will not have to reload your gun.

Technical Demonstration Mode

Successfully complete the following modes in order: "Training", "Time Trial", "Gun Shooting", "Survival". Note: Completing each mode will unlock the next mode in the sequence. Then, technical demonstration mode will be unlocked. Use it to watch the CPU demonstrate its best time with the gun.

Want even more Metal Gear Solid Cheats?

We have Metal Gear Solid cheats for PlayStation, PC, Game Boy, and Xbox 360 on CheatCodes.com. Give them a try, since cheats for other game systems sometimes work on PC games, too!