Metal Gear Solid Cheats

If you have a Suikoden Save Game on your Memory Card ,
Psycho Mantis will give you special message regarding Suikoden when he reads your mind.

If you have a savegame of POLICENAUTS on your memory card when you fight Mantis, you will get a special message from Hideo Kojima.

If you save enough times before fighting Psycho Mantis he will tell you how wise you are for saving often.

After you are tortured, thrown in the cell, and called Otacon, the guard goes to the bathroom. Otacon comes, gives you a few things and then when he leaves and the guard comes back, let the guard go to the bathroom 2 more times. When the guard goes to the bathroom the second time, you'll hear something like a FAMAS. The Ninja comes and frees you!

After you beat the Ninja, take your camera and take a picture of the picture of the big orange-like robots in Otacon's lab. When you've done it, reset and load the picture. You'll see a ghost picture of Hideo Kojima!

Keep calling Mei Ling on the codec. Say do not save about 5 to 8 times. She will get mad eventually and stop talking to you.

If you have a save game of Castlevania: Symphony of the Night on your memory card, Psycho Mantis will give you surprising message before you fight him.

If you save less than three times before you fight Psycho Mantis, you will get a special message on how reckless you are.