Metal Gear Solid 2 Codes
Collect all dog tags and successfully complete the game and save. Start a new game and equip the wig you have unlocked. When this is equiped you will have unlimited ammunition and not have to reload.
Alternate title screen
Successfully complete the game and the title screen will turn blue.
Extreme difficulty setting
Successfully complete the game to unlock the extreme difficulty setting.
Increase grip strength
Press L2 + R2 one hundred times when hanging on a ledge to do pull-ups and increase your grip strength to level 2.
Control intermission sequences
During an intermission sequence, press the Right Analog-stick to move the view or R1 to zoom-in.
During any Codec conversation, press the Left Analog-stick or Right Analog-stick to control the character's faces. Press L3 or R3 to zoom-in on the faces. Press R1 or R2 while Snake or Raiden is listening to someone to hear their thoughts.