Metal Gear Solid Peace Walker on Hideo Kojiman taidonnäyte käsikonsolille. Legendaarinen pelisaaga jatkuu tässä upeassa toimintaseikkailussa.

Stories tell of a legendary soldier who, with Metal Gear in his command, had once waged war against the world. His name was Naked Snake, a.k.a. Big Boss. Now, in response to a world hungry for answers, the truth behind this legend will finally be told.