It's been 24 hours since I finished the game and got all of its endings and I just want to state for the record that this is an absolutely wonderful execution of this concept. There is just enough given about the characters and the lore to be enticing and just enough left vague or unanswered to build suspense and encourage theory making (which I have been doing for the past 24 hours).
I have to agree with another comment that the chase scene with the walkways/shelves was a bit tricky to navigate, but it was manageable after a couple of runs and opting for whatever walkways looked widest. The other puzzles were simple but fun to complete, and also contributed well to the atmosphere and narrative hints.
This game has honestly gotten me out of a rut with gaming, it was fun to play and I love the characters, art, and writing. Really cool work!