Terrorists have taken over a site in Alaska and have claimed Metal Gear Rex for themselves. They prepare to launch nuclear strikes with this weapon. It's up to Solid Snake to stop them.. You take the role of Solid Snake as you infiltrate Shadow Moses Island. You have two mission objectives in the game:
1) Rescue the D.A.R.P.A. Chief, Donald Anderson and the president of A.R.M.S. Tech, Kenneth Baker.
2) Find out whether the terrorists have the ability to launch a nuclear strike, and stop them if they do.
There are six members of a group called FOX-HOUND that are currently working with the terrorists: