This won't be nearly as good as Guardian XIII's thread with fancy images and stuff, and it's based on a topic I created 10 years ago but let's see if I can remember some of it.
Ok so I know for sure that the basis for this was that SeeD = Jedi and Seifer = Vader. An elite fighting force is betrayed by one of their own who helps to hunt them down and destroy them. So that would make Edea = Emperor? Seems to fit, though she does turn out to be good.
For sure Moombas = Ewoks, that's a no-brainer. I guess Squall is Luke and that makes Laguna the pre-Vader Anakin, though their personalities don't match at all.
Oh and I guess I have one set of images:
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Ok, so maybe this doesn't fit as well as I thought it did 10 years ago. Anything better you guys can link this game to? Or do you have a better Star Wars comparison than me.