I think you have a point that the invisible walls could have been done better (like with the hedges or fences. I will do that in the update. The issue with 'not knowing what to do', yeah you are stupid...NO OF COURSE NOT. It means that I didn't make some of the required points clear enough. Thanks for pointing that out. I have tried to improve it, but that doesn't mean it is good. I will look into it.
The breaking by the way, might be regarding to your pc. Have you tried the download?
Thank you for your review and giving me pointers!
(Hint: After the campfire (in the winter scene), you walk to the skeleton and the story evolves further.)