Metal Gear Solid 4: Guns of the Patriots/Unlockables

Ammo

Unlockable	How to Unlock
Emotive ammo (cry)	Complete game on any difficulty
Emotive ammo (laughter)	Complete game on any difficulty
Emotive ammo (rage)	Complete game on any difficulty
Emotive ammo (scream)	Complete game on any difficulty
Smoke Grenade (blue)	Complete game on any difficulty
Smoke Grenade (green)	Complete game on any difficulty
Smoke Grenade (red)	Complete game on any difficulty
Smoke Grenade (yellow)	Complete game on any difficulty

Bonus Weapons and Equipment

Unlockable	How to Unlock
Bandanna	Complete the single-player game on any difficulty without killing anyone.
Desert Eagle, Long Barrel	Obtain the Fox Emblem in the single-player game.
Digital Camera	Mission Item, can also be found on the Nomad with the mk.ii during an Intermission cutscene.
Patriot Future Assault Weapon	Obtain the Big Boss Emblem in the single-player game.
Race Gun	Complete the single-player game on any difficulty.
Scanning Plug S	Available from Drebin after playing Metal Gear Online for 10 hours using the same profile.
Solar Gun	Collect the five boss statues by using non-lethal attacks.
Stealth Item	Complete single-player game without triggering an Alert mode.
Thor 45-70	Obtain the Foxhound Emblem in the single-player game.
World War I Pistol	Obtain the Hound Emblem in the single-player game.

Camo and Disguises

Unlockable	How to Unlock
Altair	Obtain the Assassin Emblem in the single-player game
Big Boss FaceCamo	Earn the Big Boss Emblem in the single-player game
Civilian Disguise	Available at start of Eastern Europe stage
Combat vests (new)	Complete the single-player game on any difficulty.
Crying Wolf FaceCamo	Defeat Crying Wolf using only non-lethal means.
Drebin FaceCamo	Purchase and keep more than 60 different weapons.
FaceCamo (OctoCamo FaceCamo)	Defeat Laughing Octopus
Laughing Octopus FaceCamo	Defeat Laughing Octopus using only non-lethal means.
MGS1 Snake FaceCamo	Available at beginning of Shadow Moses Island Stage.
Middle East Militia Disguise	Militia Safe House, Middle East Stage
Otacon FaceCamo	Shock Otacon using the mk.ii during the intermission scene.
Raging Raven FaceCamo	Defeat Raging Raven using only non-lethal means.
Raiden FaceCamo A	Shock Sunny using the mk.ii during the intermission scene.
Raiden FaceCamo B	Shock Naomi using the mk.ii during the intermission scene.
Roy Campbell FaceCamo	Shock Colonel Campbell using the mk.ii during the intermission scene.
Screaming Mantis FaceCamo	Defeat Screaming Mantis using only non-lethal means.
South American Rebel Disguise	Cove Valley Village, South America Stage
Suit	Complete the single-player game on any difficulty.
Young Snake FaceCamo	Available at start of Eastern Europe stage
Young Snake FaceCamo with Bandanna	Available at start of Eastern Europe stage