METAL GEAR SOLID 4: GUNS OF THE PATRIOTS UNLOCKABLES
Bandanna
Complete a single-player session without killing anyone (including bosses). You can do this on any difficulty
Desert Eagle, Long Barrel
Earn the Fox emblem on a single-player session
Digital Camera
In the Nomad vehicle during the mission intermission; you can unlock a special photo by picking up this item in stage 4 instead of earlier
Mantis and Sorrow Dolls
Beat Screaming Mantis
MGL-140 Grenade Launcer
Beat Raging Raven
Mk. 23 Handgun
Found in the first area of Act 4
Patriot Future Assault Weapon
Earn the Big Boss emblem on a single-player session
Race (Ricochet) Gun
Clear the single-player game once
Rail Gun
Beat Crying Wolf
Scanning Plug S
Log more than 10 hours of Metal Gear Online play time on the same profile as your Metal Gear 4 game. You purchase this from Drebin