Metal Gear Solid: Peace Walker Cheats for PSP
Also on: Xbox 360
Many peoples game of the 2008, Metal Gear Solid 4 is a game that can be replayed again and again, with different approaches making it a fun experience time after time. There are also many secrets to unearth from the slightly twisted mind of Hideo Kojima, as well as a robust multiplayer mode, Metal Gear Online. This guide aims to explore all aspects of Konamis epic stealth shooter. Both MGS 4 and MG Online are covered in this guide complete with screenshots and videos.
Click here to go to our guide
When you play through the game under the following conditions the corresponding codename will become unlocked.
Ant:
Frequently use short-range weapons and favor cooperation with allies to take down enemies with non-lethal force.
Bear:
Frequently use CQC and favor taking down enemies with non-lethal force.
Bee:
Frequently use short-range weapons and favor cooperation with allies to eliminate enemies with lethal force.
Butterfly:
Frequently use short-range weapons and favor taking down enemies with non-lethal force.
Cat:
Frequently use medium-range weapons and favor taking down enemies with non-lethal force.
Deer:
Frequently use medium-range weapons and favor cooperation with allies to take down enemies with non-lethal force.
Doberman:
Battle to the end using ALL sorts of weapons and cooperating with allies to eliminate enemies with lethal force.
Eel:
Frequently use stun rods and favor taking down enemies with non-lethal force.
Firefly:
Frequently use stun rods and favor cooperation with allies to take down enemies with non-lethal force.
Fox:
Battle to the end using ALL sorts of weapons to take down enemies with non-lethal force.
Foxhound:
Battle to the end using ALL sorts of weapons and favor cooperation with allies to take down enemies with non-lethal force.
Gull:
Frequently use long-range weapons and favor cooperation with allies to take down enemies with non-lethal force.
Hawk:
Frequently use long-range weapons and favor eliminating enemies with lethal force.
Hound:
Battle to the end using ALL sorts of weapons to eliminate enemies with lethal force.
Kangaroo:
Frequently use CQC and favor cooperation with allies to take down enemies with non-lethal force.
Octopus:
Frequently use weapons with explosive power and favor taking down enemies with non-lethal force.
Orca:
Frequently use weapons with explosive power and favor eliminating enemies with lethal force.
Piranha:
Frequently use weapons with explosive power and favor cooperating with allies to eliminate enemies with lethal force.
Puma:
Frequently use medium-range weapons and favor eliminating enemies with lethal force.
Raven:
Frequently use long-range weapons and favor cooperating with allies to eliminate enemies with lethal force.
Scorpion:
Frequently use short-range weapons and favor eliminating enemies with lethal force.
Swallow:
Frequently use long-range weapons and favor taking down enemies with non-lethal force.
Whale:
Frequently use weapons with explosive power and favor cooperating with allies to take down enemies with non-lethal force.
Wolf:
Frequently use medium-range weapons and favor cooperating with allies to eliminate enemies with lethal force.
Play through the game completing the indicated tasks to unlock the corresponding insignia. Each Insignia unlocked rewards the player with Heroism points. Progress for most of the Insignias can be checked by viewing Mother Base Database, then selecting Player Data and going to the Mission Data tab.
Assault Rifle Specialist:
Attain the maximum level for ALL Assault Rifles (+2,500 Heroism Points).
Base Master:
Win 50 matches under Base (BASE Heroism Points) rules (+2,500 Heroism Points).
Capture Pro:
Win 50 matches under Capture (CAP Heroism Points) rules (+2,500 Heroism Points).
CO-OP In Specialist:
250 CO-OP Ins (+500 Heroism Points).
CO-OPS Specialist Rank A:
Camaraderie of 1,000,000 (+12,000 Heroism Points).
CO-OPS Specialist Rank B:
Camaraderie of 500,000 (+5,500 Heroism Points).
CO-OPS Specialist Rank C:
Camaraderie of 250,000 (+1,500 Heroism Points).
Codename Collection Specialist Rank A:
Receive ALL codenames (+20,000 Heroism Points).
Codename Collection Specialist Rank B:
Receive 50% of ALL codenames (+7,250 Heroism Points).
Codename Collection Specialist Rank C:
Receive 10% of ALL codenames (+1,000 Heroism Points).
CQC Master Rank A:
Use CQC over 1,000 times (+5,000 Heroism Points).
CQC Master Rank B:
Use CQC over 500 times (+2,500 Heroism Points).
CQC Master Rank C:
Use CQC over 100 times (+500 Heroism Points).
Deathmatch Master:
Win 50 matches under Deathmatch rules (+2,500 Heroism Points).
Explosives Specialist:
Attain the maximum level for ALL placeable weapons (+2,500 Heroism Points).
Fulton Recovery Specialist Rank A:
Perform Fulton Recoveries on 1,000 people (+2,500 Heroism Points).
Fulton Recovery Specialist Rank B:
Perform Fulton Recoveries on 500 people (+1,250 Heroism Points).
Fulton Recovery Specialist Rank C:
Perform Fulton Recoveries on 100 people (+250 Heroism Points).
Grenade Specialist:
Attain the maximum level for ALL throwing weapons (+2,500 Heroism Points).
Handgun Specialist:
Attain the maximum level for ALL handguns (+2,500 Heroism Points).
Headshot Master Rank A:
1,000 Headshots (+5,000 Heroism Points).
Headshot Master Rank B:
500 Headshots (+2,500 Heroism Points).
Headshot Master Rank C:
100 Headshots (+500 Heroism Points).
Hold-Up Master Rank A:
Hold up 500 enemy soldiers (+10,000 Heroism Points).
Hold-Up Master Rank B:
Hold up 250 enemy soldiers (+5,000 Heroism Points).
Hold-Up Master Rank C:
Hold up 100 enemy soldiers (+1,000 Heroism Points).
Insignia Collection Specialist Rank A:
Receive ALL Insignias (+20,000 Heroism Points).
Insignia Collection Specialist Rank B:
Receive 10% of ALL Insignias (+7,250 Heroism Points).
Insignia Collection Specialist Rank C:
Receive 10% of ALL Insignias (+1,000 Heroism Points).
Item Creator:
Develop ALL items (+1,000 Heroism Points).
Machine Gun Specialist:
Attain the maximum level for all MGs (+2,500 Heroism Points).
Master of Non-Lethal Force Rank A:
Complete 200 missions without killing anyone (+5,000 Heroism Points).
Master of Non-Lethal Force Rank B:
Complete 100 missions without killing anyone (+2,500 Heroism Points).
Master of Non-Lethal Force Rank C:
Complete 50 missions without killing anyone (+500 Heroism Points).
Mech Hunting Specialist:
Capture ALL mechs (+1,000 Heroism Points).
Medic Master Rank A:
Combined total of 200 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (+500 Heroism Points).
Medic Master Rank B:
Combined total of 100 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (+500 Heroism Points).
Medic Master Rank C:
Combined total of 50 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (+500 Heroism Points).
Missile Specialist:
Attain the maximum level for ALL missile and rocket weapons (+2,500 Heroism Points).
Mission Completion Pro:
Complete over 500 missions (+3,000 Heroism Points).
Mission Completion Specialist Rank A:
Complete ALL missions with Rank S in both Single and Co-Ops (+10,000 Heroism
Points).
Mission Completion Specialist Rank B:
Complete ALL missions with Rank A or better in Both Single and Co-Ops (+5,000
Heroism Points).
Mission Completion Specialist Rank C:
Complete ALL Missions in both Single and Co-Ops (+2,500 Heroism Points).
Monster Hunting Specialist Rank A:
Hunt 200 Monsters (+2,500 Heroism Points).
Monster Hunting Specialist Rank B:
Hunt 100 Monsters (+1,250 Heroism Points).
Monster Hunting Specialist Rank C:
Hunt 50 Monsters (+250 Heroism Points).
Mother Base Development Specialist:
Improve Mother Base to the final stage of development (+1,000 Heroism Points).
Mother Base master:
Awarded for Pursuing ALL development at Mother Base to the final stage (+5,000 Heroism Points).
Naked Enthusiast:
Bravely complete 200 missions naked (+500 Heroism Points).
No-Recovery Master Rank A:
Complete 200 missions without using recovery items (+5,000 Heroism Points).
No-Recovery Master Rank B:
Complete 100 missions without using recovery items (+2,500.
No-Recovery Master Rank C:
Complete 50 missions without using recovery items (+500 Heroism Points).
OUTER OPS Specialist Rank A:
Complete 100% of Outer Ops Missions (+5,000 Heroism Points).
OUTER OPS Specialist Rank B:
Complete 50% of Outer Ops Missions (+2,500 Heroism Points).
OUTER OPS Specialist Rank C:
Complete 25% of Outer Ops Missions (+500 Heroism Points).
Parts Recovery Specialist Rank A:
Collect 49 Mech Parts (+2,500 Heroism Points).
Parts Recovery Specialist Rank B:
Collect 30 Mech Parts (+1,250 Heroism Points).
Parts Recovery Specialist Rank C:
Collect 15 Mech Parts (+250 Heroism Points).
Shotgun Specialist:
Attain the maximum level for ALL shotguns (+2,500 Heroism Points).
Snake Formation Specialist:
250 Snake Ins (+1,250 Heroism Points).
Sniper Rifle Specialist:
Attain the maximum level for ALL Sniper Rifles (+2,500 Heroism Points).
Stealth Master Rank A:
Complete 100 missions without being spotted by the enemy (+5,000 Heroism Points).
Stealth Master Rank B:
Complete 50 missions without being spotted by the enemy (+2,500 Heroism Points).
Stealth Master Rank C:
Complete 25 missions without being spotted by the enemy (+500 Heroism Points).
Stun Rod Specialist:
Attain the maximum level for the stun rod (+200 Heroism Points).
Submachine Gun Specialist:
Attain the maximum level for ALL SMGs (+2,500 Heroism Points).
Sync Specialist:
250 Snake Syncs (+2,500 Heroism Points).
Team Deathmatch Master:
Win 50 matches under Team Deathmatch (TDM Heroism Points) rules (+2,500 Heroism Points).
VS Battle Master Rank A:
Perform 500 kills, sleeps, and knockouts in VS (+250 Heroism Points).
VS Battle Master Rank B:
Perform 250 kills, sleeps, and knockouts in VS (+250 Heroism Points).
VS Battle Master Rank C:
Perform 100 kills, sleeps, and knockouts in VS (+250 Heroism Points).
VS Enthusiast Rank A:
Play 250 VS matches (+2,500 Heroism Points).
VS Enthusiast Rank B:
Play 100 VS matches (+1,250 Heroism Points).
VS Enthusiast Rank C:
Play 50 VS matches (+250 Heroism Points).
VS Fulton Recovery Specialist Rank A:
Perform 100 Fulton Recoveries in VS (+2,500 Heroism Points).
VS Fulton Recovery Specialist Rank B:
Perform 50 Fulton Recoveries in VS (+1,250 Heroism Points).
VS Fulton Recovery Specialist Rank C:
Perform 10 Fulton Recoveries in VS (+250 Heroism Points).
VS Master Rank A:
Win 200 VS matches (+2,500 Heroism Points).
VS Master Rank B:
Win 100 VS matches (+1,250 Heroism Points).
VS Master Rank C:
Win 50 VS matches (+250 Heroism Points).
VS Rookie:
Awarded for first battle in a VS game (+50 Heroism Points).
WAC Coordinator:
Form an ALL-female MSF team (+2,500 Heroism Points).
Weapon Creator:
Develop ALL weapons (+1,000 Heroism Points).
Weapon Master:
Attain the maximum level for ALL weapons (+5,000 Heroism Points).
To perform this trick you will need either the Law or the RPG, M16, and the ration and supply marker. When it stops fire a rocket at the large cylinder console on Pupas front and avoid the electric shots by keep moving. When it launches its lighting rods, take out a few near you with the M16 and lay flat on the ground until the lighting stops but still keep firing. Use the supply marker to call in more rations and ammunition if you are running low and when Pupa is destroyed fire a rocket at the hatch on top of its head and take out the 'programs'.
This character can be recruited during the interactive cinematic in the 'Infiltrate the Crater Base' mission by selecting the truck with the license plate 'Centro America 63824 Peace Sentinel'.
The following items become available when you complete the indicated task or mission.
Unlock Bandana:
Complete Extra Op 119 with an 'S' rank.
Unlock Box (Assassin's Creed):
Complete Eagle dive off a building in Main Op: Miners' Residence or Extra Op 50.
Unlock Shield (with color):
Complete Extra Op 55
Unlock Stealth Camo:
Complete Extra Op 50 with an 'S' rank.
When you complete the indicated task or mission the corresponding weapon will become available.
Handguns
Unlock Air strike Marker:
Complete Main Op: Chrysalis.
Unlock Banana:
Complete Extra Op 35.
Unlock C96:
Complete Extra Op 20 with an 'S' rank.
Unlock Custom M1911A1:
Complete Extra Op 34 or Extra OP 50.
Unlock EZ gun (LR):
Complete Extra Op 32.
Unlock EZ gun (MR):
Use the sleep CODEC and Paz will drop it in Extra Op 67.
Unlock K. Pistol:
Complete Outer Op.
Unlock M19:
Complete Extra Op 9.
Unlock M1911A1:
Complete Main Op: Contact the Sandinista Commander.
Unlock PB/6P9:
Complete Main Op: Zadornov Search 6.
Unlock PM:
Complete Extra Op 16.
Unlock Supply Marker:
Complete Main Op: Laboratory.
Shotguns
Unlock CAW:
Complete Outer Op.
Unlock M37:
Complete Extra Op 28.
Unlock SPAS-12:
Complete Extra Op 62.
Unlock Twin Barrel (STN):
Complete Extra Op 23.
Unlock Twin Barrel:
In Bananeru Furuta (west chamber) in Main Op: pursuing Amanda.
Assault Rifles
Unlock ADM63:
Complete Extra Op 45.
Unlock ADM65:
Complete Outer Op.
Unlock FAL:
Bananeru Furuta de Oro area in Extra Op 36.
Unlock G11:
Complete Extra Op 48 with an 'S' rank.
Unlock M16A1 (grenade and laser):
Complete Extra Op 55 with an 'S' rank.
Unlock M16A1 (grenade):
Complete Extra Op 25.
Unlock M16A1 (laser sight and shotgun attachment):
Complete Extra Op 46.
Unlock M16A1 (shotgun attachment):
Below the bridge in Extra Op 23.
Unlock M16A1 (smoke grenade and laser):
Complete Extra Op 66 with an 'S' rank.
Unlock M16A1 (smoke grenade):
Complete Extra Op 26.
Unlock M653 (grenade):
Complete Extra Op 47.
Unlock M653 (shotgun):
Complete Extra Op 48.
Unlock M653 (smoke grenade):
Complete Extra Op 49.
Unlock M653:
Complete Extra Op 59.
Unlock Musket:
Random drop by the Rathalos; breaking its head, wings, and cutting off its tail will increase the chance.
Unlock Patriot:
Stun him in Extra Op 68 then check his body for the design.
Unlock RK47 (grenade):
Complete Outer Op.
Unlock RK47 (smoke grenade):
Complete Outer Op.
Unlock RK47:
Complete Extra Op 13 or Extra Op 39.
Unlock RPK:
Complete Underground passage in Extra Op 37.
Unlock SUG:
Complete Extra Op 47 with an 'S' rank.
Submachine guns
Unlock M10 (barrel cover):
Bananeru Furuta de Oro in Extra Op 36.
Unlock M10:
Pursuing Amanda in El Sena.
Unlock M1928A1:
Complete Main Op: Base Infiltration.
Unlock MP5A2:
Complete Extra Op 57 or 49.
Unlock MP5SD2:
Complete Extra Op 37 with an 'S' rank.
Unlock Uz61:
Complete Extra Op 15.
Sniper rifles
Unlock M1C (stamina recovery):
Complete Extra Op 46.
Unlock M1C:
Complete Materials carrying facility in Main Op: Facility.
Unlock M21:
Complete Main Op: Zadornov Search 4.
Unlock M700 (life recovery):
Complete Extra Op 41.
Unlock M700:
Complete Extra Op 58.
Unlock Mosin:
Complete Main Op: Battle Tank T-72U.
Unlock PTRD1941:
Complete Extra Op 50.
Unlock PTRS1941:
Complete Extra Op 49 with an 'S' rank.
Unlock Rail Gun:
Complete Extra Op 115 with an 'S' rank.
Unlock Stealth Gun:
Complete Main Op: Zeke Fight.
Unlock SVD (night vision):
Complete Outer Op.
Unlock SVD:
Complete Extra Op 35.
Unlock WA2000:
Complete Extra Op 65 with an 'S' rank.
Heavy machine guns
Unlock EMW Gun:
Complete Extra Op 79 with an 'S' rank.
Unlock M134:
Complete Extra Op 75.
Unlock M60 (armor piercing):
Complete Extra Op 43.
Unlock M60: Main Op:
Complete Jungle Train Tracks.
Unlock M63A1:
Complete Outer Op.
Unlock MG3 (armor piercing):
Complete Extra Op 44.
Unlock MG3:
Complete Extra Op 31.
Unlock PKM:
Complete Extra Op 28.
Missiles
Unlock C. Gustav (FR. fulton):
Complete Extra Op 98.
Unlock C. Gustav (MP):
Complete Extra Op 24.
Unlock C. Gustav:
Complete Main Op: Chrysalis.
Unlock FIM-43:
Complete Main Op: Helicopter Battle Mi-24A.
Unlock M202A1 (rank 3 and 4):
Complete Extra Op 62 with an 'S' rank or document in Extra Op 107.
Unlock M47:
Complete Extra Op 111 with an 'S' rank.
Unlock RPG2:
Complete Extra Op 30.
Unlock RPG7:
Complete Extra Op 38.
Unlock Sling Band:
Random drop by Gear Rex; breaking its head, claws, and cutting off its tail will increase the chance.
Unlock Sling Post:
Random drop by Tigrex; breaking its head, claws, and cutting off its tail will increase the chance.
Unlock XFIM-92A:
Complete Outer Op.
Throwing weapons
Unlock Air strike marker:
Complete Main Op: Laboratory.
Unlock Chaff:
Complete Main Op: Pupa.
Unlock EM Net:
Complete Extra Op 83 with an 'S' rank.
Unlock Sleep:
Complete Extra Op 27 with an 'S' rank.
Unlock Smoke (color):
In the swamp at Ghar El Sena map in Main Op: Zadornov.
Unlock Smoke:
Complete Research facility in Main Op: Interception.
Unlock Stun:
On second floor of the cabin in Main Op: Pursuing Amanda or Extra Op 22.
Unlock Supply Marker:
Complete Main Op: Pupa.
When you complete the indicated task or mission the corresponding costume will become available.
Unlock Amanda:
Complete Extra Op 67 with an 'S' rank.
Unlock AUSCAM:
Complete Main Op: Barricade Destruction.
Unlock Bad Smell:
Complete Extra Op 61 with an 'S' rank.
Unlock Battle Suit with Helmet:
Randomly appears when fighting 'SS' rank matches in Outer Ops.
Unlock Battle Suit:
Complete Main Op: first Peace Walker battle.
Unlock Bikini:
On the bridge after you complete Extra Op 68 with an 'S' rank.
Unlock Black, Khaki, Navy Blue, White, Red, Yellow, Pink, etc.:
Bonus downloadable content.
Unlock Choco-Chip:
Complete Extra Op 45 with an 'S' rank.
Unlock Gear Rex:
Complete Extra Op 125 with an 'S' rank.
Unlock J. Fatigue:
Available by default.
Unlock Leaf:
Complete Extra Op 14 with an 'S' rank.
Unlock Liolaeus (Rathalos):
Complete Extra Op 121 with an 'S' rank.
Unlock Miller:
Complete Extra Op 68 with an 'S' rank.
Unlock Naked (AUSCAM):
Complete Extra Op 30.
Unlock Naked (chocolate):
Complete Outer Op.
Unlock Naked (Leaf):
Complete Outer Op.
Unlock Naked (with Black, Khaki, Navy Blue, White, Red, Yellow, Pink, etc.):
Bonus downloadable content.
Unlock Naked (Snake):
Complete Main Op: Tropical Cloud Fog Forest.
Unlock Naked (Splitter):
Complete Extra Op 29 or Outer Op.
Unlock Naked (Tiger Stripe):
Complete Main Op: Pursuing Amanda.
Unlock Naked:
Available by default.
Unlock Neo Moss:
Use CODEC to communicate with the ghosts until they say 'The End' in Extra Op 62.
Unlock Snake:
At the concrete area where the lumber is stacked in Extra Op 16.
Unlock Sneaking Suit:
Complete Main Op: Combat helicopter: Mi-24A.
Unlock Splitter:
Extra Op 29 or on top of a box in Extra Op 59.
Unlock Square:
Complete Extra Op 30.
Unlock Swimming Trunks:
On the bridge after completing Extra Op 67 with an 'S' rank.
Unlock Tiger Stripe:
In Bananal Fruta De Oro sorting shed at the office in the north end in Main Op: Pursuing Amanda.
Unlock Tigrex:
Complete Extra Op 123 with an 'S' rank.
Unlock T-Shirt:
Complete Second floor in Extra Op 1.
Unlock Tuxedo:
Complete Chapter 4.
Recruit this character during the interactive cinematic in the 'The Destination of the Nuclear Warheads' mission by selecting the truck with the license plate 'Centro America 63824 Peace Sentinel'.
When you have read ALL of Chico's briefing files go to Extra Ops 29 and move to the beach area where you will encounter the talking cat. This will unlock the first Monster Hunter stage. Play this to unlock more stages.
The following procedure requires a PlayStation Network account. At the 'Main' menu go to 'Extras' and select 'Network'. Then choose 'Enter Passcode' and enter one of the following codes to unlock the corresponding T-shirt.
Unlock Black T-shirt with White Peace Walker Logo:
Enter the code 2000016038415
Unlock Gray T-shirt with MSF Logo:
Enter the code 2000016032574
Unlock Olive T-shirt with Snake Art:
Enter the code 2000016035902
Unlock Gray T-shirt with Snake Art on Back:
Enter the code 2000016032338
during game play go onto option controls cheats and type in disection
Also on: Xbox 360, check out those pages for more help with this game.
Many peoples game of the 2008, Metal Gear Solid 4 is a game that can be replayed again and again, with different approaches making it a fun experience time after time. There are also many secrets to unearth from the slightly twisted mind of Hideo Kojima, as well as a robust multiplayer mode, Metal Gear Online. This guide aims to explore all aspects of Konamis epic stealth shooter. Both MGS 4 and MG Online are covered in this guide complete with screenshots and videos.
Click here to go to our guide
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