Consider playtesting and evaluating your game with settings lowered sometime. The game art- and rendering doesn't scale down well at all for weaker machines. (Are you LODing your assets at all? it seems like the entire world is rendered with full geometry even with minimum draw distance). Since it aims to be an atmospheric and environment-heavy game, it's really important that the art works. The music seem fitting for the intended experience, but the lack of sound design for the main character sticks out like a sore thumb.