Castlevania on nes Game

It is the year 1691...The land of Transylvania has been at peace for 100 years now, and the peasants and villagers have begun to purge their minds of the memories of the times when the lands were dominated by chaos and shadows, and when the undead walked the earth...However, there are those that remember that the evil Count Dracula returns every 100 years to plague the land, bringing with him the forces of Hell...Thus, one evening, the Prince of Darkness rises and returns to Castlevania, his ancestral home, calling forth his minions to purge the world of human flesh.