MGS4 Cheat Codes

# Bonus weapons

Successfully complete the indicated task to unlock the corresponding weapon:

Desert Eagle, Long Barrel: Get the Fox Emblem.
Patriot Future Assault Weapon : Successfully complete the game with a "Big Boss" rank. This weapon has infinite ammunition.
Race Gun pistol: Successfully complete the game in Single Player mode.
Solar Gun: Collect the five statues (the four Battle Beauties and Frog Soldier/Haven Troopers) with non-lethal means on their respective idols.
Thor 45-70: Get the Fox Hound Emblem.
World War I pistol: Get the Hound Emblem.

# Bonus ammunition

Successfully complete the game to unlock the following ammo for purchase from Drebin:

Emotive Cry
Emotive Laughter
Emotive Rage
Emotive Scream
Smoke Grenade Blue
Smoke Grenade Green
Smoke Grenade Red
Smoke Grenade Yellow

# Bonus equipment

Successfully complete the indicated task to unlock the corresponding piece of equipment:

Bandanna: Successfully complete the game in Single Player mode without killing anyone, including Bosses. Alternately, purchase it from Drebin for 5,000,000 DP after starting another game session after completing the game. This item gives you infinite ammunition.

Digital Camera: It is found in the Nomad vehicle during the mission intermission. Note: You can unlock a special photo by waiting until Stage 4 to get the camera.

Scanning Plug S: Log more than ten hours of online play time on the same profile as your single player game to unlock it for purchase from Drebin.

Stealth Item: Successfully complete the game in Single Player mode without instigating an alert. Note: You can trigger a caution.

# Bonus face paint

Successfully complete the indicate task to unlock the corresponding face paint:

Big Boss: Get the Big Boss Emblem. When you wear this mask, it causes enemies near you to cower in fear and/or run away screaming.
Crying Wolf: Defeat Battle Beauty (human form) Crying Wolf by non-lethal means.
Drebin: Acquire and keep over 60 weapons.
FaceCamo: Defeat Battle Beauty Laughing Octopus. This mask functions like the Octocamo suit, but just on your head.
Laughing Octopus: Defeat Battle Beauty (human form) Laughing Octopus by non-lethal means.
Metal Gear Solid Snake: Start the Shadow Moses level.
Otacon: Shock Otacon with Metal Gear Mk. II during interactive mission brief.
Raging Raven: Defeat Battle Beauty (human form) Raging Raven by non-lethal means.
Raiden A: Shock Sunny with Metal Gear Mk. II during interactive mission brief.
Raiden B : Shock Naomi with Metal Gear Mk. II during interactive mission brief.
Roy Campbell: Shock Campbell with Metal Gear Mk. II during interactive mission brief.
Screaming Mantis: Defeat Battle Beauty (human form) Screaming Mantis by non-lethal means.
Young Snake: Start the Eastern Europe level.
Young Snake with bandana: Start the Eastern Europe level.

# Bonus costumes

Successfully complete the indicate task to unlock the corresponding costume:

Altair's Rags (Assassin's Creed): Get the Assassin's Emblem.

Business Suit: Successfully complete the game.

Civilian clothes: Start the Eastern Europe level.

Metal Gear Solid optical camo: Successfully complete the game in Single Player mode without going into alert phase. Alternately, purchase it from Drebin for 5,000,000 DP after starting another game session after completing the game. This camo makes you completely invisible.

Middle East militia disguise: Go to the Middle East militia safe house.

South American militia disguise: Go to the South American cove valley village.

# iPod songs

Successfully complete the indicated task to unlock the corresponding song on Snake's iPod. Certain songs have an additional secret effect when played during the game.

Beyond the Bounds: In Stage 4: Shadow Moses, Tank Hangar, after power is restored, return to the upper catwalk, and explore all the rooms. This song increases stun damage done by Snake from non-lethal weapons.

Big Boss: Get the Big Boss Emblem. This song increases stun damage and Snake's accuracy.

Bio-hazard: In Stage 3: Europe, Midtown, hold-up a resistance soldier and body search him. This song causes soldiers held by Snake to scream.

Destiny's Call: Received randomly from an allied or neutral militia or rebel soldier after Snake gives them a healing item. This song causes soldiers held by Snake to become enraged.

Flowing Destiny: In Stage 4: Shadow Moses, Canyon, before leaving the canyon area, examine the rocky walls for a hole hiding the song. This song causes soldiers held by Snake to weep.

The Fury: In Stage 2: South America, Cove Valley Village, search inside the fire-ravaged house. This song causes soldiers held by Snake to become enraged.

MGS 4 Love Theme/Action: Received randomly from an allied or neutral militia or rebel soldier after Snake gives them a healing item. This song causes soldiers held by Snake to weep.

Opening - Old L.A. 2040: In Stage 4: Shadow Moses, Nuclear Warhead Storage B2, input "78925" into Otacon's lab computer. This song increases Snake's accuracy.

Policenaughts Ending: In Stage 4 Shadow Moses, Nuclear Warhead Storage B2, enter "13462" into Otacon's lab computer. This song causes soldiers held by Snake to fall asleep when touched.

Rock Me: In Stage 2: South America, Confinement Facility, search the island in the south-eastern quadrant. This song increases the amount of life recovered from items and other means.

Sailor: In Stage 2 South America, Vista Mansion, look between the east wall and a cargo container. This song increases the amount of life recovered from items and other means.

Show Time: Received randomly from an allied or neutral militia or rebel soldier after Snake gives them a healing item. This song causes soldiers held by Snake to scream.

Snake Eater: Get all 40 game clear Emblems. This song increases the amount of life recovered from items and other means.

Subsistence: Play one game of Metal Gear Online, starting the match with at least two players. This song increases Snake's accuracy.

# Emblems

Successfully complete the indicated task to unlock the corresponding Emblem:

Assassin's: Successfully complete the game in Single Player mode with killing more than 50 enemies with the knife, having over 50 CQC holds, and getting discovered less than 25 times.

Big Boss: Successfully complete the game in Single Player mode on the hardest difficulty using no continues, instigating no alerts, killing no enemies (including Bosses), using no life recovery items, using no stealth suit or bandanna special items (can possess, but not activate), and with a completion time of less than 5 hours.

Fox: Successfully complete the game in Single Player mode on the Naked Normal or higher difficulty using no continues, instigating no more than five alerts, killing no enemies (including Bosses), using no life recovery items, using no stealth suit or bandanna special items (can possess, but not activate), and with a completion time of less than 6 hours.

Fox Hound: Successfully complete the game in Single Player mode on the Big Boss Hard or higher difficulty using no continues, instigating no more than three alerts, killing no enemies (including Bosses), using no life recovery items, using no stealth suit or bandanna special items (can possess, but not activate), and with a completion time less than 5 hours and 30 minutes.

Hound: Successfully complete the game in Single Player mode on the Naked Normal or higher difficulty using no continues, instigating no more than three alerts, killing no enemies (including Bosses), using no life recovery items, using no stealth suit or bandanna special items (can possess, but not activate), and with a completion time less than 6 hours and 30 minutes.

# Replay bonus

Successfully complete the game, and create a cleared saved game file. Start another game session, and encounter Metal Gear II in the first stage to get the Drebin points, weapons, ammunition, items, and special items from your original game.
# Big Boss Extreme mode

Successfully complete the game in Single Player mode to unlock the Big Boss Extreme difficulty.
# Password option

Successfully complete the game to unlock the "Password" option in the "Extras" menu. There are no known passwords currently, but keep checking back.
# Alternate ending

If you fight Mantis with a Sixaxis controller, the ending is different than if you were using a DualShock 3 controller.
# 100,000 DP

In the Shadow Moses, when at Otacon's office, he will ask you for the code. Input "14893" to hear a familiar sound, and get 100,000 DP.
# Statue locations

The statues required to unlock the Solar Gun can be found at the following locations:

Frog: In Stage 1: Middle East, Advent Palace garage, atop the Nomad vehicle.
Octopus: In Stage 2: South America, in the Research Lab Boss room, upper right room.
Raven: In Stage 3: Europe, on the top floor of the human phase of the Boss fight.
Wolf: In Stage 4: Shadow Moses, behind Snake's starting spot in the human phase of the Boss fight.
Mantis: In Stage 5: Outer Heaven, near the northern-most door during the human phase of the fight.

# Control opening sequence

When starting a new game, you are shown two random commercials. You can change the channel by pressing Up and Down to get new commercials. There is also a Hideo 1 and Hideo 2 channel, which are like Video 1 and 2.
# Control intermission sequences

During an intermission sequence, press D-pad Up to zoom the camera in, then use the Right Analog-stick to pan the camera around. The harder you press Up, the more zoomed in the camera view. Also, some intermission sequences have prompts to see it through Snake's eyes by holding L1 (look for the icon at the top left of the screen) or view flashback images by repeatedly tapping X when a prompt appears (look for the icon at the top right of the screen). You can also pause an intermission sequence by pressing Start.
# Intermission sequence extras

During the following intermission sequences, press L1 to see secret events:

Naomi upskirt: In Act 2, when Snake's talking to Naomi and drops his cigarette, use the hidden L1 option to look up her skirt.

Psycho Mantis' ghost: During the first intermission sequence with Beauty and the Beast, after using the option to look through L1, look to the left to see the ghost of Psycho Mantis.

# Reset Octocamo appearance

Shake the Sixaxis controller to return Snake's Octocamo to its neutral (black and blue) appearance.
# Shoot from inside a dumpster

There are dumpsters throughout the game which you can use to hide. Move in front of them, and press Triangle when the prompt appears. Once inside, if you have a handgun, The Operator for example, you can hold L1 to lift up the lid of the dumpster and aim your gun from inside.
# Hidden crop circle

When you are tracking Naomi's footprints after the Laughing Octopus fight, you will arrive at a river. Instead of crossing the river, look to your left. You will see another set of footprints. Follow these, and they will lead you to a crop circle where you will hear some strange dialogue about an alien abduction.
# Shake Rose's breasts

When you speak with Rose on the Codec, shake the Sixaxis to make her breasts move.
# Playboy magazine

To look through the Playboy magazine, press R1, then go into first person view. Then, hold L1 and press Circle to go through the pages.
# Remove frosty breath in Multiplayer mode

When playing in stages where your breath frosts, have Snake play dead while prone. His frosty breath will no longer be seen by others.
# Defeating Vamp

In the first part of the battle against Vamp, after you get his health low enough, he will fall down. As he gets up, grab him in a CQC hold, and inject him with the syringe that you obtained earlier. This will disable his Nanites and make him mortal.
# Metal Gear Solid series references

Look at the two puppets dangling from Screaming Mantis. The two puppets appear to be Psycho Mantis and The Sorrow from previous Metal Gear Solid games.

The three chickens in the Nomad are named Solid, Liquid, and Solidus.

When Snake hides from the two Irvings next to the box of watermelons, the box reads "No Place For Hideo".

You can see a ghost image of Hideo Kojima in Otacon's lab using the camera. It is between Policenauts and the poster that from a distance reads "Final Fantasy VI".

When Snake and Naomi talk about war changing and how it used to be "just a game", all of the Metal Gear Solid titles appear in an indexed list. After Metal Gear Solid 4, there are a few boxes titled "In Production."
# PlayStation 3 references

In the Act 1 briefing, there is a PS3 on the second floor of the plane.

When you send out the MK-2, look over Snake's shoulder by tilting the camera. He is using a PlayStation 3 controller to control it.

After you defat Crying Wolf in Act 4, Otacon calls you as you enter that building and tells you to change discs. He then catches himself, and starts talking about Blu-Ray and the PlayStation 3.
# Snatchers reference

The suit Snake wears in Act 3 is a homage to Gillian Seed, from Snatchers.
# Star Wars reference

In the Act 5 briefing, while Mei Ling is explaining the situation to everyone she says something about it being an impenetrable fortress or something similar. Snake then says, "He has his very own Death Star."
# Zone Of The Enders reference

When you look at the briefing scene, Otacon's computer desktop picture is the main character from Zone Of The Enders, another game directed by Hideo Kojima.
# Weapons list

The following weapons are available in the game:

Pistols

1911 Custom
Desert Eagle
Desert Eagle Long Barrel
Five Seven
Glock 18C
GSR (.45)
Mk 2 Pistol (Tanq)
Mk.23 SOCOM
Operator (Colt .45 with extended barrel)
PMM
PSS
Race Gun (fires ricochet bullets)
Solar Gun (causes enemies to drop weapons and causes extreme damage to Vamp)
Thor .45-70 (rifle pistol)
Type 17 (broom handle machine pistol)

Sub-machine guns

Bizon
M-10
MP5sd2
Mp7
P90
Patriot (has unlimited ammunition)
VZ. 83 Skorpion

Assault rifles

Ak102
An94
FAL Carbine
G3A3
M4 Custom
Mk.17
XM8

Sniper weapons

DSR-1
Heavy machine guns
HK21E
M14EBR
M60E4
M82A2
MK.46 Mod 1
Mosin-Nagant
PKM
RAIL GUN
SVD
Tanegashima (old flint lock that is very slow to reload, 33% of hits causes a whirlwind that carries off enemies making them drop items)
VSS

Shotguns

M870 Custom
Saiga-12
Twin Barrel

Grenade launchers

MGL-140
XM25

Rocket launchers

Fim-92A (Stinger)
Javelin
M72A3
RPG-7

Weapon modifiers

Dot sights
Flashlights
Fore grips
Grenade launchers
Laser sights
Masterkey (under barrel shotgun for assault rifles)
Scopes
Suppressors

Others

C4
Chaff grenade
Claymore
Grenade
Knife
Molotov cocktail
Sleeping gas mine
Sleep gas satchel charge
Smoke grenades (yellow, red, blue, green)
Stun grenade
White phosphorus grenade



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