Metal Gear Solid 5 Key Items locations: How to unlock all costumes and suits
How to trigger every Key Item in Phantom Pain, so you can unlock new developments and upgrades, and gain some new cosmetic items too.
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If you reach certain milestones in the game, or finish off particularly tricky missions, you'll receive a special Key Item as a reward. These allow you to develop new items of equipment and cosmetic items - here's how to unlock every one of them.
Metal Gear Solid 5 Key Items locations: How to unlock all costumes and suits
| Key | Notes | Criteria |
|---|---|---|
| Children's Reward | Unlocks Water Pistol | Finish Mission 18 |
| First Aid Manual | Unlocks Tactial Fulton D-Dog | Finish Mission 18 and search Masa Village |
| Master Certificate - Marking | Can tell the different between enemies and decoys | Mark 500 enemies |
| Master Certificate - Fulton | Unlocks Grade 3 Fulton upgrade | Extract 500 enemies |
| Grand Master Certificate - Fulton | Unlocks F-Ballista | Extract 1,000 enemies |
| Master Certificate - Box | Unlocks C. Box (WR) | Take all Invoices in Africa or Afghanistaion |
| Grand Master Certificate - Box | Unlocks C. Box (SMK) | Take all Invoices in Africa AND Afghanistan |
| Conch Shell | Unlocks Petrol Bomb and Fulton upgrade | Finish Side Op 113 |
| Skulls Machete | Unlocks Task-Arm SM | Finish Mission 29 |
| Strangelove's Memento | Unlocks Bandana | Finish Side Op 143 |
| Man on Fire - Corpse | Unlocks Furicorn | Finish Side Op 144 |
| Quiet's Examination Report | Unlocks Gray XOF uniform | Finish Mission 40 or watch Quiet's interrogation cutscene |
| Handkerchief | Unlocks Sniper Wolf uniform | Finish Mission 40 |
| Emmerich's Research Notes | Unlocks Stealth Camo | Watch the exiling of Emmerch cutscene |
| The Codename: Big Boss | Unlocks Leather Jacket uniform | Finish the Phantom Pain's secret mission |
| Master Certificate - Standard | Unlocks Cyborg Ninja uniform | Finish every mission (except hardest difficulty) |
| Grand Master Certificate - Standard | Unlocks Raiden uniform | Finish every mission (except hardest difficulty) - S Rank |
| Master Certificate - Elite | Unlocks Naked (Silver) and Bionic Arm uniform | Finish all missions on Extreme, Subsistence and Total Stealth |
| Grand Master Certificate - Elite | Unlocks Naked (Gold) uniform | Finish all missions on Extreme, Subsistence and Total Stealth - S Rank |
| Star of Bethlehem | Unlocks Infinity Bandana uniform | Finish the Phantom Pain's secret mission |
- You can find the rest of our Metal Gear Solid 5 walkthrough from the first page of this article.