Pam seems to know a lot and we only get a glimpse of that...if the second game isn't a direct sequel to bloom & rage story, maybe it could be with her or someone she's acquainted with
I saw someone saying that the cabin being closed from the inside is a direct reference to the abyss itself. Kat and Corey fell and never went out since 27 years, they're locked inside. Yet, we know that a man managed to go out but we don't know how