Maps of the BS Fire Emblem games which were available only through Satellaview for the Super Famicom are now available here.
Successfully complete the eight Prologue chapters to unlock the Satellaview downloadable maps from the Super Famicom game BS Fire Emblem: Akaneia Senki.
Successfully complete the game.
Complete the normal version of a chapter within the indicated the turn limit (varies by difficulty) or accomplish the indicated task in that chapter to unlock the Extra version of that chapter.