Beat Cunningham on ANY difficulty by stamina kill and beat the game before January 1st 1971 in game. You get him after you make a new game.
Get a Medic level of 80.
Recruit 200 soldiers and stamina kill Gene all in one playthrough.
Unlock Major Zero:
Have a MGS:DGN game save on your psp's memory stick. (Second Playthrough only)
Kill Null by stamina kill or HP kill when you face him twice and beat the game. You get him after you make a new game.
Contact her on the radio on the Comm Tower stage. She will later need to be resceud in the hospital stage. Place spies in the hospital.
Kill Python by stamina kill.
Place spies in Western Wilderness before clearing the Guard House mission. Afterwards you should get a report of a handsome prisoner being held there.
After Snake is captured and rescued, contact Sigint on the radio at the Comm stage. He will need to be rescued in the town.
Give the Saturn V blueprints to Sokolov.
Have a MGA game save on your psp's memory stick. (Second Playthrough only)
Have a MGA 2 game save on your psp's mamory stick. (Second Playthrough only)
Unlock Extreme Difficulty:
Beat the game.
Unlock Stealth Camouflage:
Beat the game with your Technician status level at 99.
Character Passwords: Enter these codes to unlock the corresponding character.
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