Wow. I got to the end by the shortest path on my first walkthrough. Then I went every other path. And I made a map.
spoiler alert https://img.itch.zone/aW1nLzE1MjI0MDUzLnBuZw==/original/6qZJn2.png
Too bad the date is 3/1 now. I wonder if changing the system time would work.