Otacon's extra passwords 

Put these in instead of the code Otacon tells you to at Shadow Moses. You will get the Access Denied scene but afterwards you will get the bonus. Cheat Effect

14893 100,000 DP 

78925 iPod song 

13462 iPod song 

Metal Gear Solid 4 Passwords

Extras Screen Passwords 

These passwords are entered at the Extras screen under Password after beating the game once on any difficulty. The items will be made available upon loading your save game or starting a new game (in which case you will gain access to them when you meet up with Metal Gear Mk. II; iPod songs are immediately available.) Password Effect

george Unlocks "Gekko" iPod Song

thomas Unlocks "Desperate Chase" iPod Song

theodore Unlocks "Midnight Shadow" iPod Song

abraham Unlocks "Mobs Alive" iPod Song

mekakorkkk Unlock Mk. 23 handgun (SOCOM from MGS1)

mnsoymsyhn Unlocks "Mosin Nagant"

deskyhstyl Unlocks the Desert Eagle Long Barrel

 

Metal Gear Solid 4 Unlockables

FacePAINt 

Different face PAINt unlocked for in game use. Unlockable How to Unlock 

Young Snake Beat Act 2 

Young Snake with Bandana Beat Act 2 

Classic MGS Snake Beat Act 3 

Crying Wolf Defeat the Battle Beauty (human form) Crying Wolf by non-lethal means. 

Screaming Mantis Defeat the Battle Beauty (human form) Screaming Mantis by non-lethal means. 

Roy Campbell Ram Colonel Campbell using the Metal Gear II during the intermission scene. 

Otacon Ram Dr. Emmerich using the Metal Gear II during the intermission scene. 

Raiden Mask A Ram Sunny using the Metal Gear II during the intermission scene. 

Raiden Mask B Ram Dr. Naomi Hunter using the Metal Gear II during the intermission scene. 

Drebin Purchase and keep more than 60 different weapons. 

Big Boss's Earn the Big Boss emblem on a single-player session 

Raging Raven Defeat the Battle Beauty (human form) Raging Raven by non-lethal means. 

Laughing Octopus Defeat the Battle Beauty (human form) Laughing Octopus by non-lethal means. 

FaceCamo Defeat the Battle Beauty Laughing Octopus (the overall battle, no specifics involved). 

iPod Tunes 

Snake's iPod can download specific tunes throughout the course of the game. Some songs have an additional "secret" effect when it is played in the game. Unlockable How to Unlock 

Subsistence (increase Snake's accuracy) Play at least one game of Metal Gear Online. You must start the match with at least two players 

Policenaughts Ending (cause soldiers held by Snake to fall asleep on touch) Stage 4 Shadow Moses, Nuclear Warhead Storage B2. Input 13462 into Otacon's lab computer 

Rock Me (increases Snake's amount of life recovered from items and other means) Stage 2 South America, Confinement Facility. Island in the south-eastern quadrant 

Sailor (increases Snake's amount of life recovered from items and other means) Stage 2 South America, Vista Mansion. Between the east wall and a cargo container 

Show Time (cause soldiers held by Snake to scream in terror) A random gift from a militia or rebel soldier if Snake gives them a healing item 

Snake Eater (increase the life recovery rate of Snake through items and other actions) Unlocked by earning all 40 game clear emblems 

Opening - Old L.A. 2040 (increase Snake's accuracy) Stage 4 Shadow Moses, Nuclear Warhead Storage B2. Input 78925 into Otacon's lab computer 

Fury, The (cause soldiers held by Snake to go enraged) Stage 2 South America, Cove Valley Village. Inside the fire ravaged house 

MGS 4 Love Theme / Action (cause soldiers held by Snake to weep like a little girl) A random gift from a militia or rebel soldier if Snake gives them a healing item 

Destiny's Call (cause soldiers held by Snake to go enraged) A random gift from a militia or rebel soldier if Snake gives them a healing item 

flOwing Destiny (cause soldiers held by Snake to weep like a little girl) Stage 4 Shadow Moses, Canyon. Before leaving the canyon area, examine the rocky walls for a hole hiding this item 

Bio-hazard (cause soldiers held by Snake to scream in terror) Stage 3 Europe, Midtown 

Big Boss (increase stun damage and increases Snake's accuracy when played) Earn the Big Boss emblem 

Beyond the Bounds (increases stun damage done by Snake from non-lethal weapons) Stage 4 Shadow Moses, Tank Hangar. After power is restored, backtrack to the upper catwalk and explore all rooms 

Boktai 2 Theme Act 2, Mission Briefing, upstairs in the Nomad 

Bon Dance Act 2, Marketplace 

Inorino Uta Act 1, Mission Briefing 

Level 3 Warning Act 1, Advent Palace 

Lunar Knights Main Theme Act 4, Mission Briefing, upstairs in the Nomad 

Metal Gear 20 Years History: Part 2 Act 4, Warhead Storage Building B2 

Metal Gear 20 Years History: Part 3 Act 2, South America Confinement Facility. In room with beds inside the house 

Metal Gear Solid Main Theme (The Document Remix) Act 5, Under hatch to the left at the beginning of area 

On Alert Act 3, Midtown N Sector 

One Night in Neo Kobe City (Causes soldiers held by Snake to laugh) Act 3, Midtown, hold-up PMC. 

Shin Bokura no Taiyou Theme Act 3, Mission Briefing, upstairs in the Nomad 

Test Subject's Duality Act 3, Midtown S Sector 

The Best Is Yet To Come Act 4, Snow Field. Just before the "Disc Change" Codec scene. 

The Essence of Vince Act 3, Echo's Beacon 

The Fury Act 2, in the Cave Valley Village in badly burned building 

Theme of Solid Snake Act 1, Millennium Park 

Theme Of Tara Act 1, Militia Safehouse. Just before seeing the unmanned flying-bomber on the table 

Warhead Storage Act 4, Tank Hanger. Upper floor ventilation shaft. 

Yell (Dead Cell) Act 4, Casting Facility North 

Zanzibarland Breeze Act 1, Urban Ruins before cutscene 

Bio Hazard Frisk the restance fighter in Easter Europe. 

Bonus Weapons Unlockable How to Unlock 

Rail Gun Beat Crying Wolf 

MGL-140 Grenade Launcer Beat Raging Raven 

Mantis and Sorrow Dolls Beat Screaming Mantis 

Mk. 23 Handgun Found in the first area of Act 4 

Patriot Future Assault Weapon Earn the Big Boss emblem on a single-player session 

Thor 45-70 Earn the Fox Hound emblem on a single-player session 

Desert Eagle, Long Barrel Earn the Fox emblem on a single-player session 

World War I Pistol Earn the Hound emblem on a single-player session 

Race (Ricochet) Gun Clear the single-player game once 

Solar Gun Collect the five statues (those of the four Battle Beauties and the Frog Soldier/Haven Troopers in stage 1) using non-lethal means on their respective idols 

Scanning Plug S Log more than 10 hours of Metal Gear Online play time on the same profile as your Metal Gear 4 game. You purchase this from Drebin 

Digital Camera In the Nomad vehicle during the mission intermission; you can unlock a special photo by picking up this item in stage 4 instead of earlier 

Stealth Item Complete a single-player session without instigating a single alert (caution is okay, but not alert). You can do this on any difficulty 

Bandanna Complete a single-player session without killing anyone (including bosses). You can do this on any difficulty 

Completion Unlockables Unlockable How to Unlock 

New combat vests Clear the single-player game once 

The Boss Extreme difficulty Complete the single-player mode once (and saving the cleared data). 

Costumes Unlockable How to Unlock 

Corpse Camo Get 41 continues or more in a single playthrough to unlock this octocamo. 

South American Rebel Disguise South America (Cove Valley Village) 

Middle East Militia Disguise Middle East in the Militia Safe House 

Civilian Disguise Start Eastern Europe level 

Suit Clear the game once 

Altair Obtain the Assassin emblem 

New Ammo 

After finishing the game once, and getting back to drebin you can buy: Unlockable How to Unlock 

Emotive ammo (laughter) Finish game once 

Emotive ammo (scream) Finish game once 

Emotive ammo (rage) Finish game once 

Emotive ammo (cry) Finish game once 

Smoke Grenade (red) Finish game once 

Smoke Grenade (yellow) Finish game once 

Smoke Grenade (green) Finish game once 

Smoke Grenade (blue) Finish game once 

Unlockable Emblems 

Unlocking emblems gives you various bonus content. Unlockable How to Unlock 

Assassin's Emblem Beat the game with 50+ knife kills, 50+ CQC holds, and 25 or less alerts. 

Big Boss Emblem Beat the game on the highest difficulty with no deaths, no alerts, no kills, no recovery items, no stealth suit, no bandanna items, in under 5 hours. 

Fox Hound Emblem Beat the game on hard or higher w/ no deaths, 3 or less alerts, no kills, no recovery items, no stealth suit, no bandanna items, in under 5.5 hours. 

Fox Emblem Beat the game on normal or higher w/ no deaths, 5 or less alerts, no kills, no recovery items, no stealth suit, no bandanna items, in under 6 hours. 

Hound Emblem Beat the game on hard or higher w/ no deaths, 3 or less alerts, no kills, no recovery items, no stealth suit, no bandanna items, in under 6.5 hours. 

Rabbit Emblem Look at 100 Playboy pages 

Little Gray Emblem Collect all 69 weapons 

Lobster Emblem Spend a total of 2.5 hours crouching 

Hyena Emblem Pick up 400 dropped weapons 

Inch Worm Emblem Crawl on the ground for a total of 1 hour 

Hog Emblem Get 10 combat highs 

Hawk Emblem Be admired by 25 friendly soldiers 

Gibbon Emblem Hold up 50 enemies 

Giant Panda Emblem Complete the game after 30 cumulative hours of play 

Eagle Emblem Get 150 headshots 

Frog Emblem Dive or roll 200 times 

Gecko Emblem Press against walls for a total of 1 hour 

Blue Bird Emblem Give friendly soldiers 50 items 

Bee Emblem Use the Scanning Plug S or Syringe on 50 enemies 

Bear Emblem Choke 100 enemies to death 

Ant Emblem Shake 50 enemies for items 

Mantis Finish the game with no alerts activated, no continues, no rations, noodles or regains used and in under 5 hours 

Wolf Beat the game with no continues and no rations, regains, or noodles used 

Pigeon Beat the game without killing asingle person (Gekkos and Dwarf Gekkos dont count). 

Raven Beat the game in under 5 hours 

Octopus Beat the game without activating any alert phases. 

Tortoise Spend more than 60 minutes inside the drum can or card board box (this can be done throughout the game, not all at once) 

Pig Use more than 50 recovery items 

Cow Activate over 100 alerts 

Crocodile Have over 400 kills 

Scarab Perform over 100 rolls 

Scorpion Get less than 75 alert Phases, less than 250 kills, and less than 25 continues. 

Tarantula Get less than 75 alert phases, over 250 kills, and less than 25 continues. 

Centipede Get less than 75 alert phases, less than 250 kills, and over 25 continues. 

Spider Get less than 75 alert phases, over 250 kills, and over 25 continues. 

Jaguar Get over 75 alert phases, less than 250 kills, and less than 25 continues. 

Panther Get over 75 alert phases, over 250 kills, and less than 25 coninues. 

Leopard Get over 75 alert phases, less than 250 kills, and over 25 continues. 

Puma Get over 75 alert phases, over 250 kills, and over 25 continues. 

Chicken Get over 150 alert phases, over 500 kills, over 50 continues, use over 50 recovery items and finish the game in over 35 hours. 

Rabbit Flick through 100 Playboy pages 

Dolls/Statues 

You need to unlock 5 dolls before you can adquire the solar gun.

Defeat the Frog Soldiers, Laughing Octopus, Raging Raven, Crying Wolf and Screaming Matis with Non-Lethal weapons. (During their beast form, not beauty). After defeating them grab the doll before killing their beauty form. Except on the frogs because they don't have a beauty form. Unlockable How to Unlock 

Frog Soldier Doll/Statue At the garage at the end of the battle 

Laughing Beast Doll/Statue On a bed in a little room 

Raging Raven Doll/Statue On the upper floor on a corner 

Crying Wolf Doll/Statue In a side of a bulding just where you start after killing her beast form 

Screaming Mantis Doll/Statue On the corridor where you started