Series creator Hideo Kojima has crafted METAL GEAR SOLID: PEACE WALKER as the next true chapter in the story of legendary special ops expert, Snake (AKA Big Boss), and acts as a direct sequel to the previously released Metal Gear Solid 3: Snake Eater. Developed specifically for the PSP (Playstation Portable) system, METAL GEAR SOLID: PEACE WALKER is set in 1974 towards the end of the cold war and boasts an all-new story penned by Hideo Kojima.

Taking full advantage of the PSP format, METAL GEAR SOLID: PEACE WALKER takes the series in an exciting new direction with incredible visuals, as it sheds new light on well-known adversaries and allies, along with a wealth of new characters. In true Metal Gear Solid tradition, METAL GEAR SOLID: PEACE WALKER drops the player into a series of hostile scenarios, as a terrible plan for world domination is revealed.