They should be pure fantasy- none of that sci-fi bull****. It is called Final FANTASY for a reason, not Final Sci-fi.From Dictionary.com
fan·ta·sy (fnt-s, -z)
n., pl. fan·ta·sies.
The creative imagination; unrestrained fancy. See Synonyms at imagination.
Something, such as an invention, that is a creation of the fancy.
A capricious or fantastic idea; a conceit.
Fiction characterized by highly fanciful or supernatural elements.
An example of such fiction.
An imagined event or sequence of mental images, such as a daydream, usually fulfilling a wish or psychological need.
Music. See fantasia (n., sense 1).
A coin issued especially by a questionable authority and not intended for use as currency.
Obsolete. A hallucination.
Sounds like Fantasy can be anything Horonobu Sakguchi can think of, sci-fi included.