USA - 13.11.2001 (PS2)
Europe - 08.03.2002 (PS2)
Japan - 29.11.2001 (PS2)
2007 - Solid Snake, Otacon and their organization, Philantopy, has obtained classified information that a new prototype of Metal Gear is being transported under cover of an oil tanker to an unknown destination. Armed,Snake infiltrates the tanker to keep it from falling into the bad hands, but something goes wrong...
2009 - Young undercover agent, Raiden, has to infiltrate oil filtering structure in the ocean, called The "Big Shell", because it's captured by armed terrorist group "Dead Cell". Many hostages, including VIPs and even the President are kept there with demand - 30 billion dollars.