Video Game Secrets - Issue 10

No More Camo Shake the Sixaxis controller to return Snake's Octocamo to its neutral (black and blue) pigmentation.

Inheritence You carry over your Drebin points, weapons, ammunition, items, and special items from a previous game upon game clear. However, Snake will need to encounter Metal Gear II in the first stage to get his stuff back.
Be sure to save your cleared data upon game completion to track your items. Load the cleared data to reap your benefits.

Character Motions When a character is introduced for the first time, press R2 to view that characters motion capture person instead of that person's voice actor.

Refill Psyche
If during a cut-scene something causes Snakes psyche gauge to decrease just press X rapidly to replenish it.

Cheaper Prices
Set the PS3 system date to a Wednesday or Sunday, and Drebin will have cheaper prices. Also, in Act 5 all prices are halfed.

Rail Gun Beat Crying Wolf
MGL-140 Beat Raging Raven
Mantis and Sorrow Dolls Beat Screaming Mantis
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
Thor 45-70 Earn the Fox Hound emblem on a single-player session
Desert Eagle Long Barrel Earn the Fox emblem on a single-player session
World War I Pistol Earn the Hound emblem on a single-player session
Race (Ricochet) Gun Clear the single-player game once
Solar Gun Collect the five statues using non-lethal means on their respective idols
Scanning Plug S Log more than 10 hours of Metal Gear Online play time on the same profile as your Metal Gear 4 game.
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
Stealth Item Complete a single-player session without instigating a single alert.
Bandanna Complete a single-player session without killing anyone.

Enter these at the passwords section on the extras screen, after you have beaten the game on any difficulty!

george Unlocks "Gekko" iPod Song
thomas Unlocks "Desperate Chase" iPod Song
theodore Unlocks "Midnight Shadow" iPod Song
abraham Unlocks "Mobs Alive" iPod Song
mekakorkkk Unlock Mk. 23 handgun (SOCOM from MGS1)
mnsoymsyhn Unlocks "Mosin Nagant"
deskyhstyl Unlocks the Desert Eagle Long Barrel
1aytmmymhk Unlocks 1911 Pistol

Young Snake Beat Act 2
Young Snake with Bandanna Beat Act 2
Classic MGS Snake Beat Act 3
Crying Wolf Defeat the Battle Beauty (human form) Crying Wolf by non-lethal means.
Screaming Mantis Defeat the Battle Beauty (human form) Screaming Mantis by non-lethal means.
Roy Campbell Ram Colonel Campbell using the Metal Gear II during the intermission scene.
Otacon Ram Dr. Emmerich using the Metal Gear II during the intermission scene.
Raiden Mask A Ram Sunny using the Metal Gear II during the intermission scene.
Raiden Mask B Ram Dr. Naomi Hunter using the Metal Gear II during the intermission scene.
Drebin Purchase and keep more than 60 different weapons.
Big Boss Earn the Big Boss emblem on a single-player session
Raging Raven Defeat the Battle Beauty (human form) Raging Raven by non-lethal means.
Laughing Octopus Defeat the Battle Beauty (human form) Laughing Octopus by non-lethal means
FaceCamo Defeat the Battle Beauty Laughing Octopus

Completion Unlockables

New Combat Vests Clear the single-player game once

Costumes

Corpse Camo Get 41 continues or more in a single playthrough to unlock this octocamo.
South American Rebel Disguise South America (Cove Valley Village)
Middle East Militia Disguise Middle East in the Militia Safe House
Civilian Disguise Start Eastern Europe level
Suit Clear the game once
Altair Obtain the Assassin emblem