Really nice! Beatiful art and sound design, good puzzles, and generally very polished. One tip: I would have loved full-screen. You can either do this in Godot (put a button somewhere that allows entering full screen mod), or check the box on Itch.io (they can add one for you, in the bottom right).
Do you have any hints for getting past the elavator section? It doesn't seem to go down or up enough to actually access any higher. I'm stuck here.
Edit: I came back from writing this comment, and my blue mouse was randomly above the elevator. I don't even know how this was possible?