1. FF VI, the music, characters, story, and battle system are arguably the best
2. FF VII, my favorite game ever. Though I can objectively say that VI is better.
3. FF IV, very memorable story, and has gotten great remakes
4. FF IX, love Vivi, love the countless nods towards previous games
5. FF V, the job system is hands down my favorite part of this game, though the soundtrack is pretty great too. This game does not get enough love!
6. FF XII, it moves the series in many good directions, but that storyline was forgettable
7. FF I, the one that started it all. Great foundation, but music, characters, and storyline are obviously not as good as others in the series.
8. FF X, great graphics, soundtrack (though terrible VOs), but too linear for me
9. FF XIII, fun battle system, that's where the fun ends though. Most annoying characters I've come across in any game ever. They need to do a mulligan on this one.
10. FF VIII, draw draw draw draw draw dance scene draw draw draw, terrible
11. FF III, foundations are fine, but it was a pretty soulless entry.
12. FF II, any game where you get more HP by having your own party attack each other is not a good idea. The story is forgettable as well.
13. FF XI, MMO = no thanks