Amazing set of tracks ! I think what you accomplished very well here is that ambiant background music with melodies that can be repeated without boring the player/without catching it's attention too much.
I think that's not easy to do, and your ost is still playfull and has a musical identity, it sets the mood for the moments you described very well. It would leave room for more personalised character themes and story moments to stood out (which I would love to hear one day :) so amazing craft on that level imo.
Many tracks presented great and subtle ideas to expand quietly, and that Toy Soldier track was so well composed ! Super interesting, bravo :)