Successfully complete the indicated task or mission to unlock the corresponding weapon:
Get an 'S' rank on the 'Date With Paz' mission to see her in her underwear. Additionally, go to the 'Staff Management' screen at Mother Base. Look for Amanda, Dr. Strangelove, and Cecile, then push Triangle(2) to see them in their underwear.
Successfully complete the indicated task to unlock the corresponding special item:
Listen to all of Chico's audio briefings by selecting a mission, choosing 'Briefing Files', then entering the Chico file library. Once you listen to all the tapes, select Extra Ops mode, and choose '[029] Item Capture'. Begin the mission, take care of the three guards, and destroy the item crate. Acquire its items, but instead of going to the extraction point, move south to the beach at Playa del Alba. When you enter the beach, turn left, and go down the dock. Miller will notify you about a strange animal at this location. Run down the dock to find Trenya, from the Monster Hunter series. After the dialog, you will be able to access '[121] Hunting Quest: Rathalos' in Extra Ops mode. Successfully complete the mission to unlock additional Monster Hunter related missions.
Overcome Peace Walker the third time, then successfully complete the indicated missions (in order) to unlock the next mission in the sequence:
Successfully complete the indicated task to unlock the corresponding insignia. Each insignia also will add the listed number of Heroism points.
| Item Creator | Develop all items (+1,000 Heroism Points). |
| CO-OPS Specialist Rank C | Camaraderie of 250,000 (+1,500 Heroism Points). |
| Insignia Acquireion Specialist Rank B | Receive 10% of all Insignias (+7,250 Heroism Points). |
| Sniper Rifle Specialist | Reach the maximum level for all sniper rifles (+2,500 Heroism Points). |
| VS Fulton Recovery Specialist Rank C | Perform 10 Fulton Recoveries in VS mode (+250 Heroism Points). |
| VS Rookie | Successfully complete your first battle in a VS game (+50 Heroism Points). |
| Sync Specialist | Get 250 Snake Syncs (+2,500 Heroism Points). |
| CO-OPS Specialist Rank A | Camaraderie of 1,000,000 (+12,000 Heroism Points). |
| Monster Hunting Specialist Rank A | Hunt 200 monsters (+2,500 Heroism Points). |
| Capture Pro | Be victorious in 50 matches under Capture (CAP Heroism Points) rules (+2,500 Heroism Points). |
| Base Master | Be victorious in 50 matches under Base (BASE Heroism Points) rules (+2,500 Heroism Points). |
| Mission Completion Pro | Successfully complete over 500 missions (+3,000 Heroism Points). |
| Grenade Specialist | Reach the maximum level for all throwing weapons (+2,500 Heroism Points). |
| No-Recovery Master Rank C | Successfully complete 50 missions without using recovery items (+500 Heroism Points). |
| VS Battle Master Rank C | Perform 100 kills, sleeps, and knockouts in VS mode (+250 Heroism Points). |
| Fulton Recovery Specialist Rank C | Perform Fulton Recoveries on 100 people (+250 Heroism Points). |
| Headshot Master Rank B | ,500 Headshots (+2,500 Heroism Points). |
| Keep pushed-Up Master Rank A | Keep pushed up 500 enemy soldiers (+10,000 Heroism Points). |
| Keep pushed-Up Master Rank C | Keep pushed up 100 enemy soldiers (+1,000 Heroism Points). |
| Fulton Recovery Specialist Rank A | Perform Fulton Recoveries on 1,000 people (+2,500 Heroism Points). |
| Headshot Master Rank A | 1,000 Headshots (+5,000 Heroism Points). |
| Stealth Master Rank A | Successfully complete 100 missions without being spotted by the enemy (+5,000 Heroism Points). |
| CO-OPS Specialist Rank B | Camaraderie of 500,000 (+5,500 Heroism Points). |
| VS Master Rank C | Be victorious in 50 VS matches (+250 Heroism Points). |
| Stealth Master Rank B | Successfully complete 50 missions without being spotted by the enemy (+2,500 Heroism Points). |
| CQC Master Rank A | Use CQC over 1,000 times (+5,000 Heroism Points). |
| VS Battle Master Rank B | Perform 250 kills, sleeps, and knockouts in VS mode (+250 Heroism Points). |
| Naked Enthusiast | Successfully complete 200 missions naked (+500 Heroism Points). |
| Insignia Acquireion Specialist Rank C | Receive 10% of all Insignias (+1,000 Heroism Points). |
| Snake Formation Specialist | Get 250 Snake Ins (+1,250 Heroism Points). |
| Headshot Master Rank C | 100 Headshots (+500 Heroism Points). |
| Submachine Gun Specialist | Reach the maximum level for all SMGs (+2,500 Heroism Points). |
| VS Master Rank B | Be victorious in 100 VS matches (+1,250 Heroism Points). |
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| Mech Hunting Specialist | Capture all mechs (+1,000 Heroism Points). |
| Parts Recovery Specialist Rank C | Acquire 15 Mech Parts (+250 Heroism Points). |
| VS Battle Master Rank A | Perform 500 kills, sleeps, and knockouts in VS mode (+250 Heroism Points). |
| Weapon Creator | Develop all weapons (+1,000 Heroism Points). |
| Assault Rifle Specialist | Reach the maximum level for all Assault Rifles (+2,500 Heroism Points). |
| VS Enthusiast Rank B | Play 100 VS matches (+1,250 Heroism Points). |
| Mission Completion Specialist Rank B | Successfully complete all missions with 'Rank A' or better in both Single and Co-Op modes (+5,000 Heroism Points). |
| No-Recovery Master Rank B | Successfully complete 100 missions without using recovery items (+2,500. |
| Master of Non-Lethal Force Rank C | Successfully complete 50 missions without killing anyone (+500 Heroism Points). |
| Mission Completion Specialist Rank C | Successfully complete all Missions in both Single and Co-Ops (+2,500 Heroism Points). |
| No-Recovery Master Rank A | Successfully complete 200 missions without using recovery items (+5,000 Heroism Points). |
| Explosives Specialist | Reach the maximum level for all placeable weapons (+2,500 Heroism Points). |
| Codename Acquireion Specialist Rank A | Receive all codenames (+20,000 Heroism Points). |
| Medic Master Rank C | Combined total of 50 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (+500 Heroism Points). |
| Monster Hunting Specialist Rank C | Hunt 50 monsters (+250 Heroism Points). |
| Missile Specialist | Reach the maximum level for all missile and rocket weapons (+2,500 Heroism Points). |
| Master of Non-Lethal Force Rank A | Successfully complete 200 missions without killing anyone (+5,000 Heroism Points). |
| WAC Coordinator | Form an all-female MSF team (+2,500 Heroism Points). |
| Handgun Specialist | Reach the maximum level for all handguns (+2,500 Heroism Points). |
| Codename Acquireion Specialist Rank B | Receive 50% of all codenames (+7,250 Heroism Points). |
| Keep pushed-Up Master Rank B | Keep pushed up 250 enemy soldiers (+5,000 Heroism Points). |
| Shotgun Specialist | Reach the maximum level for all shotguns (+2,500 Heroism Points). |
| OUTER OPS Specialist Rank A | Successfully complete 100% of Outer Ops missions (+5,000 Heroism Points). |
| Fulton Recovery Specialist Rank B | Perform Fulton Recoveries on 500 people (+1,250 Heroism Points). |
| OUTER OPS Specialist Rank B | Successfully complete 50% of Outer Ops missions (+2,500 Heroism Points). |
| VS Fulton Recovery Specialist Rank A | Perform 100 Fulton Recoveries in VS mode (+2,500 Heroism Points). |
| Mother Base Development Specialist | Improve Mother Base to the final stage of development (+1,000 Heroism Points). |
| Deathmatch Master | Be victorious in 50 matches under Deathmatch rules (+2,500 Heroism Points). |
| Stealth Master Rank C | Successfully complete 25 missions without being spotted by the enemy (+500 Heroism Points). |
| Medic Master Rank A | Combined total of 200 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (+500 Heroism Points). |
| Mission Completion Specialist Rank A | Successfully complete all missions with 'Rank S' in both Single and Co-Op modes (+10,000 Heroism Points). |
| Master of Non-Lethal Force Rank B | Successfully complete 100 missions without killing anyone (+2,500 Heroism Points). |
| Monster Hunting Specialist Rank B | Hunt 100 monsters (+1,250 Heroism Points). |
| Parts Recovery Specialist Rank A | Acquire 49 Mech Parts (+2,500 Heroism Points). |
| VS Enthusiast Rank C | Play 50 VS matches (+250 Heroism Points). |
| OUTER OPS Specialist Rank C | Successfully complete 25% of Outer Ops missions (+500 Heroism Points). |
| VS Master Rank A | Be victorious in 200 VS matches (+2,500 Heroism Points). |
| VS Enthusiast Rank A | Play 250 VS matches (+2,500 Heroism Points). |
| VS Fulton Recovery Specialist Rank B | Perform 50 Fulton Recoveries in VS mode (+1,250 Heroism Points). |
| CQC Master Rank C | Use CQC over 100 times (+500 Heroism Points). |
| Insignia Acquireion Specialist Rank A | Receive all Insignias (+20,000 Heroism Points). |
| Machine Gun Specialist | Reach the maximum level for all MGs (+2,500 Heroism Points). |
| Team Deathmatch Master | Be victorious in 50 matches under Team Deathmatch rules (+2,500 Heroism Points). |
| Medic Master Rank B | Combined total of 100 CPR Rescues, Rescue Box Uses, and Battle Cry Uses (+500 Heroism Points). |
| CQC Master Rank B | Use CQC over 500 times (+2,500 Heroism Points). |
| Stun Rod Specialist | Reach the maximum level for the stun rod (+200 Heroism Points). |
| Mother Base master | Awarded for Pursuing all development at Mother Base to the final stage (+5,000 Heroism Points). |
| Codename Acquireion Specialist Rank C | Receive 10% of all codenames (+1,000 Heroism Points). |
| Parts Recovery Specialist Rank B | Acquire 30 Mech Parts (+1,250 Heroism Points). |
| CO-OP In Specialist | ,250 CO-OP Ins (+500 Heroism Points). |
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| Weapon Master | Reach the maximum level for all weapons (+5,000 Heroism Points). |
During the interactive cutscene in the 'Infiltrate The Crater Base' mission, select the truck with the license plate 'Centro America 63824 Peace Sentinel' to be able to recruit Hideo Kojima.
These codes requires a PlayStation Network account and a saved game file. At the main menu, select the 'Extras' option, then choose 'Network', 'Enter Passcode'. Insert one of the following passcodes to unlock the corresponding t-shirt and a volunteer recruit with a randomly generated name, portrait, and stats.
If you have a high number of Heroism/Hero Points (10,000 to 100,000), your chances of getting recruits with 'A' and 'S' rank stats increases. Additionally, passcodes can only be used once for each unique PSN ID. If you make typos in a passcode three times sequentially, your access to be able to enter passcodes will be temporarily suspended for 24 hours.
Successfully complete the indicated task or mission to unlock the corresponding costume:
Successfully complete the indicated task to unlock the corresponding codename:
These codes requires a PlayStation Network account and a saved game file. At the main menu, select the 'Extras' option, then choose 'Network', 'Enter Passcode'. Insert one of the following passcodes to unlock a recruit with a randomly generated name, portrait, and stats.
If you have a high number of Heroism/Hero Points (10,000 to 100,000), your chances of getting recruits with 'A' and 'S' rank stats increases. Additionally, passcodes can only be used once for each unique PSN ID. If you make typos in a passcode three times sequentially, your access to be able to enter passcodes will be temporarily suspended for 24 hours.