This is an impressive piece of work, no matter how you look at it. I don't really have anything more to add than what's been said below. Chiptune and Orchestral really make for a beautiful blend.
My nitpick, if you can even call it that, is that 21 track is definitely a lot of commitment to ask to the listener, when there are 191 entries to listen to, haha. Imho, you work would still have five stars out of five with only half the length. But I also do understand that you have a full story to tell.