Hello ScotBear !
There is indeed a walkthrough. First, I first made it for Kickstarter backers, but then I also made it available for monthly backers on ko-fi (among sides stories in The Alchemist universe).
Here : https://ko-fi.com/post/Walkthrough-avaible-Soluce-disponible-Y8Y1BC8AG
Cheers,
Azephir