This is so cool and atmospheric. I got genuinely very scared in the corridors while searching for more gears to add to the wall. It took me a couple of tries to understand what I was meant to do at the start, I didn't even see the crank the first time around and was a bit lost. I think it would be helpful to have a little bit more direction in those particular circumstances. Otherwise I really liked the in-world map and visual cues, it felt very immersive. Great work!