Just reading the description of your fictional game made me want to play it.
As far as the music is concerned, you've managed to give your OST an SNES feel.
I really like the pitch bend at 3am and the Memories of a Better Time ambience, especially when the strings arrive at 40" and the dramatic change at 1'00".
Sometimes your panning is a little too extreme for my taste (the glockenspiel on 3am or the hihat on the Boss Theme). I say that when it's not balanced by another sound on the other side.
Because at the start of the Boss Theme, you've got the full guitar on the left and the brass on the right playing the same melody, and that's super effective, the sound is wide and much more engaging.
PS: in your Youtube list, your tracks are not in the right order.