Metal Gear Solid: Peace Walker is set in 1974 at the tail end of the cold war and boasts an all-new story penned by game creator Hideo Kojima himself. 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. The famed 'stealth' gameplay that has established the Metal Gear Solid series as a modern classic has also been updated, with Kojima and his Kojima Productions team implementing all-new multi-player co-op elements that add depth to the various missions.