Metal Gear Solid 3: Subsistence Cheats

After beating the game once, Snake will have an eyepatch on during the CQC fights he has with the Russian guard at the title screen.

Using the camera, take pictures of the bosses you've killed as they walk towards you as ghosts. Sometimes you'll see the faces of the developers on the pictures you've taken.

During a cut scene, if you see the name of the character, the name in the parentheses is the voice actor. If you hit O, the name will change to the name of the character's motion capture actor.