An evil organization, named AGYMA, threatens the 200 years of peace the galaxy has enjoyed. It was released for the SNES and also as a view-limited downloadable game for the Satellaview that was broadcast in at least 3 runs between August 31, 1997 and February 28, 1998. The `E.D.F.` from the game's title is an acronym for `Earth Defense Force,` however the official name of the game employs the acronym and not the full expression.