Phantasy Star II is an RPG released in 1989 for the Sega Mega Drive. It is the second game of the original series.
It is almost one thousand years since Alis defeated the evil being 'Dark Falz'. The planet Mota has been transformed from a desert planet into a lush, fertile world. Mota's climate and biology is now controlled by several facilities, which are managed by the central computer system called Mother Brain. However, recently something is amiss. The central lake has dried up, and vicious creatures roam the countryside. What has gone wrong?