From Naked Snake to Big Boss. Ten years after Operation Snake Eater. While commanding a private military force in Colombia, guests from Costa Rica visit Snake. Accepting their request, Snake leads his men into confronting the conspiracy behind the East-West Cold War.
The year is 1983. The world teeters on the verge of destruction as the Cold War tightens its icy grip. East or West: trust no one, question everything. The fate of humanity rests in your hands as you pit spy versus spy in tactical Phantom Doctrine.