Also this.
Since the original, scrapped, Nintendo 64 version's announcement in 1996, many fans of the Mother series (and, furthermore, EarthBound) have been pleading for Mother 3 to be given a global release. A cult following has formed around the franchise, and many petitions and demands have been made towards Nintendo of America; however, there do not appear to be any plans to release Mother 3 in the United States. In response, a group of fans (Mother3.org) has been working on an unofficial English translation for the game. Recently, the Nintendo magazine of Europe ran an article about Mother 3, speculating about a possible European release under the name EarthBound 2, estimating its release to be December 2006 at the earlies
I remember waiting for Earthbound 64 do you?
Also I found this bit piece of trivia.
Shigesato Itoi has revealed in interviews that Giygas' dialogue during the final battle was inspired by a traumatic childhood experience wherein he mistakenly walked into an adult movie theatre playing a pornographic film and caught a glimpse of a rape scene.