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Cheats for Metal Gear Solid: Peace Walker

Unlockable Codenames

All platforms
Unlock

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

Monster Hunter Stages

All platforms
Unlock

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.

Stealth Camo & Bandana

All platforms
Unlock

Bandana	Complete Extra Ops 119 with an S rank
Stealth Camo	Complete Extra Ops 50 with an S rank

Insignias

All platforms
Unlock

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

Hideo Kojima

All platforms
Unlock

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."

Hunting Quest Uniforms

All platforms
Unlock

Gear Rex Uniform	Complete Extra Ops 125,126,127 or 128 with S rank
Rathalos Uniform	Complete Extra Ops 121 or 122 with S rank
Tigrex Uniform	Complete Extra Ops 123 or 124 with S rank

In-Game T-Shirts

All platforms
Game Code

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

Unlockable Codenames

PSP
hint

Unlockable Codenames:

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

Collecting Insignias

PSP
hint

Collecting Insignias:

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

Unlock Hideo Kojima

PSP
hint

Unlock Hideo Kojima:

During the “Infiltrate the Crater” cutscene, the director Hideo Kojima can be recruited. All you have to do is select the truck which has the license plate "Centro America 63824 Peace Sentinel."