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Metal Gear Solid: Peace Walker

Codes

In-Game T-Shirts

In Title Screen, go to Extras > Network > Enter Passcode to enter the following codes. You also need Playstation Network account.

EffectCode
2000016537833Big Boss face a la Che shirt (Red)
2000016756791Big Boss face a la Che shirt (White)
2000016032758Black T-Shirt with Big Boss text
2000016032390Black T-Shirt with Peace Walker text
2000016038415Black T-Shirt with White Peace Walker Logo
2000016535556COoperative OPerations
2000016036022Gray T-Shirt with Coffee Cup art design
2000016032567Gray T-Shirt with MSF logo
2000016032574Gray T-Shirt with MSF Logo
2000016032338Gray T-Shirt with Snake Art at the Back
2000016032635Navy Blue T-Shirt with MSF logo
2000016035902Olive T-Shirt with Snake Art
2000016038576Plain Tan T-Shirt
2000016032680White T-Shirt with Big Boss text
2000016035933White UNIQLO T-Shirt (unknown design)

Contributed By: stealthgiga, Sekoku, megavolnutt99, eric_otness, and WebScud.

Unlockables

Hideo Kojima

The director Hideo Kojima can be recruited from an interactive cutscene in "Infiltrate the Crater Base" by selecting the truck with the license plate "Centro America 63824 Peace Sentinel".

Contributed By: ScoobySnack.

Hunting Quest Uniforms

In hunting quests you can get Rathalos, Tigrex and Gear Rex Uniforms. To obtain a S rank you cannot kill a single creature, even the main boss. Just tranquilize it when its health is low.

UnlockableHow to Unlock
Complete Extra Ops 125,126,127 or 128 with S rankGear Rex Uniform
Complete Extra Ops 121 or 122 with S rankRathalos Uniform
Complete Extra Ops 123 or 124 with S rankTigrex Uniform

Contributed By: eylfusion.

Insignias

Complete challenges by progressing through the game to earn Insignias. Each Insignia unlocked rewards the player with Heroism points. You can check your progress for most of these by viewing Mother Base Database, then selecting Player Data and going to the Mission Data tab.

UnlockableHow to Unlock
Attain the maximum level for all Assault Rifles (Heroism +2500)Assault Rifle Specialist
Win 50 matches under Base (BASE) rules (Heroism +2500)Base Master
Win 50 matches under Capture (CAP) rules (Heroism +2500)Capture Pro
250 CO-OP Ins (Heroism +500)CO-OP In Specialist
Camaraderie of 1,000,000 (Heroism +12000)CO-OPS Specialist RANK A
Camaraderie of 500,000 (Heroism +5500)CO-OPS Specialist RANK B
Camaraderie of 250,000 (Heroism +1500)CO-OPS Specialist RANK C
Receive all codenames (Heroism +20000)Codename Collection Specialist RANK A
Receive 50% of all codenames (Heroism +7250)Codename Collection Specialist RANK B
Receive 10% of all codenames (Heroism +1000)Codename Collection Specialist RANK C
Use CQC over 1000 times (Heroism +5000)CQC Master RANK A
Use CQC over 500 times (Heroism +2500)CQC Master RANK B
Use CQC over 100 times (Heroism +500)CQC Master RANK C
Win 50 matches under Deathmatch (DM) rules (Heroism +2500)Deathmatch Master
Attain the maximum level for all placeable weapons (Heroism +2500)Explosives Specialist
Perform Fulton Recoveries on 1000 people (Heroism +2500)Fulton Recovery Specialist RANK A
Perform Fulton Recoveries on 500 people (Heroism +1250)Fulton Recovery Specialist RANK B
Perform Fulton Recoveries on 100 people (Heroism +250)Fulton Recovery Specialist RANK C
Attain the maximum level for all throwing weapons (Heroism +2500)Grenade Specialist
Attain the maximum level for all handguns (Heroism +2500)Handgun Specialist
1000 Headshots (Heroism +5000)Headshot Master RANK A
500 Headshots (Heroism +2500)Headshot Master RANK B
100 Headshots (Heroism +500)Headshot Master RANK C
Hold up 500 enemy soldiers (Heroism +10000)Hold-Up Master RANK A
Hold up 250 enemy soldiers (Heroism +5000)Hold-Up Master RANK B
Hold up 100 enemy soldiers (Heroism +1000)Hold-Up Master RANK C
Receive all Insignias (Heroism +20000)Insignia Collection Specialist RANK A
Receive 10% of all Insignias (Heroism +7250)Insignia Collection Specialist RANK B
Receive 10% of all Insignias (Heroism +1000)Insignia Collection Specialist RANK C
Develop all items (Heroism +1000)Item Creator
Attain the maximum level for all MGs (Heroism +2500)Machine Gun Specialist
Complete 200 missions without killing anyone (Heroism +5000)Master of Non-Lethal Force RANK A
Complete 100 missions without killing anyone (Heroism +2500)Master of Non-Lethal Force RANK B
Complete 50 missions without killing anyone (Heroism +500)Master of Non-Lethal Force RANK C
Capture all mechs (Heroism +1000)Mech Hunting Specialist
Combined total of 200 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (Heroism +500)Medic Master RANK A
Combined total of 100 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (Heroism +500)Medic Master RANK B
Combined total of 50 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (Heroism +500)Medic Master RANK C
Attain the maximum level for all missile and rocket weapons(Heroism +2500)Missile Specialist
Complete over 500 missions (Heroism +3000)Mission Completion Pro
Complete all missions with Rank S in both SINGLE and CO-OPS (Heroism +10000)Mission Completion Specialist RANK A
Complete all missions with Rank A or better in Both SINGLE and CO-OPS (Heroism +5000)Mission Completion Specialist RANK B
Complete all Missions in both Single and CO-OPS (Heroism +2500)Mission Completion Specialist RANK C
Hunt 200 Monsters (Heroism +2500)Monster Hunting Specialist RANK A
Hunt 100 Monsters (Heroism +1250)Monster Hunting Specialist RANK B
Hunt 50 Monsters (Heroism +250)Monster Hunting Specialist RANK C
Improve Mother Base to the final stage of development (Heroism +1000)Mother Base Development Specialist
Awarded for Pursuing all development at Mother Base to the final stage (Heroism +5000)Mother Base master
Bravely complete 200 missions naked (Heroism +500)Naked Enthusiast
Complete 200 missions without using recovery items (Heroism +5000)No-Recovery Master RANK A
Complete 100 missions without using recovery items (Heroism +2500No-Recovery Master RANK B
Complete 50 missions without using recovery items (Heroism +500)No-Recovery Master RANK C
Complete 100% of Outer Ops Missions (Heroism +5000)OUTER OPS Specialist RANK A
Complete 50% of Outer Ops Missions (Heroism +2500)OUTER OPS Specialist RANK B
Complete 25% of Outer Ops Missions (Heroism +500)OUTER OPS Specialist RANK C
Collect 49 Mech Parts (Heroism +2500)Parts Recovery Specialist RANK A
Collect 30 Mech Parts (Heroism +1250)Parts Recovery Specialist RANK B
Collect 15 Mech Parts (Heroism +250)Parts Recovery Specialist RANK C
Attain the maximum level for all shotguns (Heroism +2500)Shotgun Specialist
250 Snake Ins (Heroism +1250)Snake Formation Specialist
Attain the maximum level for all Sniper Rifles (Heroism +2500)Sniper Rifle Specialist
Complete 100 missions without being spotted by the enemy (Heroism +5000)Stealth Master RANK A
Complete 50 missions without being spotted by the enemy (Heroism +2500)Stealth Master RANK B
Complete 25 missions without being spotted by the enemy (Heroism +500)Stealth Master RANK C
Attain the maximum level for the stun rod (Heroism +200)Stun Rod Specialist
Attain the maximum level for all SMGs (Heroism +2500)Submachine Gun Specialist
250 Snake Syncs (Heroism +2500)Sync Specialist
Win 50 matches under Team Deathmatch (TDM) rules (Heroism +2500)Team Deathmatch Master
Perform 500 kills, sleeps, and knockouts in VS (Heroism +250)VS Battle Master RANK A
Perform 250 kills, sleeps, and knockouts in VS (Heroism +250)VS Battle Master RANK B
Perform 100 kills, sleeps, and knockouts in VS (Heroism +250)VS Battle Master RANK C
Play 250 VS matches (Heroism +2500)VS Enthusiast RANK A
Play 100 VS matches (Heroism +1250)VS Enthusiast RANK B
Play 50 VS matches (Heroism +250)VS Enthusiast RANK C
Perform 100 Fulton Recoveries in VS (Heroism +2500)VS Fulton Recovery Specialist RANK A
Perform 50 Fulton Recoveries in VS (Heroism +1250)VS Fulton Recovery Specialist RANK B
Perform 10 Fulton Recoveries in VS (Heroism +250)VS Fulton Recovery Specialist RANK C
Win 200 VS matches (Heroism +2500)VS Master RANK A
Win 100 VS matches (Heroism +1250)VS Master RANK B
Win 50 VS matches (Heroism +250)VS Master RANK C
Awarded for first battle in a VS game (Heroism +50)VS Rookie
Form an all-female MSF team (Heroism +2500)WAC Coordinator
Develop all weapons (Heroism +1000)Weapon Creator
Attain the maximum level for all weapons(Heroism +5000)Weapon Master

Contributed By: jayrockslife.

Monster Hunter Stages

Read all of Chico's briefing files, then go to Extra Ops 29, move to the beach area and encounter the talking cat. This will unlock the first Monster Hunter stage. Play this to unlock more stages.

Contributed By: stealthgiga.

Stealth Camo & Bandana

The Stealth Camo makes your camo status 100% making you completely invisible and the Bandana gives you infinite ammo, just like in every other Metal Gear Solid game.

UnlockableHow to Unlock
Complete Extra Ops 119 with an S rankBandana
Complete Extra Ops 50 with an S rankStealth Camo

Contributed By: Spiffy_1st.

Unlock The True Last Battle (Zeke Battle) and Ending

There are several requirements that have to be met before unlocking the true last battle. They don't have to be done in any particular order. First, make sure you complete all 6 Main Ops "Zadornov Search" missions, which are unlocked after the last mission (Peace Walker Battle 3). Next, the Mother Base must have been upgraded to 2 plants, which is achieved by first having a Level 40 Intel Team (just move a bunch of recruits to that section to increase its level) and then completing 13 Extra Ops missions (except Target Practice, No Limit or Training missions) to upgrade the base. It doesn't matter if the Extra Ops missions were already completed, you can repeat the same mission 13 times if you wish. You'll receive a message that the Mother Base has expanded. Do this two times. Next, you must have collected all the Metal Gear ZEKE basic parts (collected by beating bosses) and must have the Railgun installed (which is gotten from S-Ranking the Chrysalis Battle). Also, you cannot have Metal Gear ZEKE assigned to an Outer Ops Team. After fulfilling all of those requirements, you'll trigger a call from Kaz informing you that Zadornov has escaped his cell yet again. So go to Extra Ops Target Practice #1, you'll see Zadornov on the 2nd floor. After the cutscene, the true last battle will be unlocked. If by any chance you don't get the call about Zadornov escaping that 7th time, then just keep completing Extra Ops missions until your Mother Base grows more and you'll eventually get the call.

Contributed By: ReyVGM.

Unlockable Codenames

Play through the game under specific circumstances to unlock different codenames.

UnlockableHow to Unlock
Given to soldiers who mainly use short-range weapons and favor cooperation with allies to take down enemies with non-lethal force.ANT
Given to soldiers who mainly use CQC and favor taking down enemies with non-lethal force.BEAR
Given to soldiers who mainly use short-range weapons and favor cooperation with allies to eliminate enemies with lethal force.BEE
Given to soldiers who mainly use short-range weapons and favor taking down enemies with non-lethal force.BUTTERFLY
Given to soldiers who mainly use medium-range weapons and favor taking down enemies with non-lethal force.CAT
Given to soldiers who mainly use medium-range weapons and favor cooperation with allies to take down enemies with non-lethal force.DEER
Given to heroes who battle it out to the end using all sorts of weapons and cooperating with allies to eliminate enemies with lethal force.DOBERMAN
Given to soldiers who mainly use stun rods and favor taking down enemies with non-lethal force.EEL
Given to soldiers who mainly use stun rods and favor cooperation with allies to take down enemies with non-lethal force.FIREFLY
Given to heroes who battle it out to the end using all sorts of weapons to take down enemies with non-lethal force.FOX
Given to heroes who battle it out to the end using all sorts of weapons and favor cooperation with allies to take down enemies with non-lethal force.FOXHOUND
Given to soldiers who mainly use long-range weapons and favor cooperation with allies to take down enemies with non-lethal force.GULL
Given to soldiers who mainly use long-range weapons and favor eliminating enemies with lethal force.HAWK
Given to heroes who battle it out to the end using all sorts of weapons to eliminate enemies with lethal force.HOUND
Given to soldiers who mainly use CQC and favor cooperation with allies to take down enemies with non-lethal force.KANGAROO
Given to soldiers who mainly use weapons with explosive power and favor taking down enemies with non-lethal force.OCTOPUS
Given to soldiers who mainly use weapons with explosive power and favor eliminating enemies with lethal force.ORCA
Given to soldiers who mainly use weapons with explosive power and favor cooperating with allies to eliminate enemies with lethal force.PIRANHA
Given to soldiers who mainly use medium-range weapons and favor eliminating enemies with lethal force.PUMA
Given to soldiers who mainly use long-range weapons and favor cooperating with allies to eliminate enemies with lethal force.RAVEN
Given to soldiers who mainly use short-range weapons and favor eliminating enemies with lethal force.SCORPION
Given to soldiers who mainly use long-range weapons and favor taking down enemies with non-lethal force.SWALLOW
Given to soldiers who mainly use weapons with explosive power and favor cooperating with allies to take down enemies with non-lethal force.WHALE
Given to soldiers who mainly use medium-range weapons and favor cooperating with allies to eliminate enemies with lethal force.WOLF

Contributed By: jayrockslife.