I liked the story and lore. I wager it was partly inspired by Jumanji? My one suggestion is to check out some videos on how to design interesting maps. The indoor maps especially were kind of empty. These are some videos I personally have enjoyed.
https://www.youtube.com/watch?v=VESe97jqlj8&ab_channel=LvLUpDesign
https://www.youtube.com/watch?v=wHGbb8GXuxY&ab_channel=YanflyEngine