Space Hunter Samus Aran returns to battle a planet crawling with evil creatures bent on universal domination in this bigger than ever ever sequel to the nes classic, Metroid. Take control! Guide Samus through cavernous corridors, ancient ruins and alien traps. On the mysterious planet of the Metroids, find artifacts of a lost civilization that grant amazing powers. Cut through creatures in a buzz-saw blur! Roll through hidden tunnels and climb sheer wall! A battery back-up allows you to save your progress as you fight to the heart of the planet and search for the merciless Metroid leaders.