By equipping rations as opposed to simply using them, they will automatically be used by Snake when needed. This is especially useful in Boss battles, or when there is a chance of being hit by a powerful attack.
to get a gold uzi
beat the game 3 times
Successfully complete stages in the special stage select to get No. 4 to reveal pieces of the plot.
Shoot until you have two bullets left, then equip your bandanna and shoot again.
Successfully complete the game, and then start a new game. Dial up 140.07 on the Codec to hear some in-game entertainment.
Successfully complete the VR training missions with a 100% ranking. The sound menu will be unlocked at the options screen and allows all game sounds and music to be played.
Successfully complete the game on the easy or greater difficulty setting. The special stage select allows any level to be played with new mission objectives.