Marking the return of Hideo Kojima's legendary tactical espionage action series, Metal Gear Solid 4: Guns of the Patriots features a cinematic experience and visual masterpiece that will redefine this landmark franchise as a revolutionary game for the PLAYSTATION3 system. The game is the final chapter in the saga of Solid Snake that sends him around the world in pursuit of his arch nemesis, Liquid Ocelot. Armed with new gadgets and abilities, Solid Snake must shift the tides of war into his favor, using the chaos of the battlefield to infiltrate deep into enemy territory. In his globetrotting final mission, Snake must sneak deep into enemy locations in the Middle East, South America, and other corners of the earth to foil Liquid Ocelot's. Metal Gear Solid 4: Guns of the Patriots includes Metal Gear Online "Starter Pack", which is the full and complete multiplayer component of Metal Gear Solid 4: Guns of the Patriots.

Although little is known, MGS4 is being touted as the final installment in the Metal Gear Solid series.