I'm glad you enjoyed yourself so far! I'll try answer your questions as best I can :D
1. The first game was made quick and simple as the first game I'd ever put together, so a lot of what was in each branch was in that one was me trying a mechanic out and getting it to work. For example The lantern forest path was made to try put together the car chase scene, the map itself was just to try figure out how to make one. I thought it would be a nice idea to tie the games I make as I'm learning together by giving them the same characters and to lightly reference each other. It seemed like a fun way for me to track my progress as I learn and invite people along for a very bumpy ride.
I was watching a series called Shetland at the time when Nano rolled around which was likely why it turned out like this, I probably started to think I was the new Miss Marple.
2. The demo unfortunately had to stop at the point before I was about to put in the main mechanic. Which is the game is intended to run 3 times before reaching the final conclusion in a groundhog day like scenario. With Chook being the only character aware of the loop in time happening via the main menu. A lot of what happens in the first act in the demo sets off switches for minor changes to be made for how the second act would then go on to run & changing some of the characters around and how they then act. The actual mystery would always go on to be solved but who dies along the way can change.
3. Hopefully the intentions and actions of the characters follow some sort of logic, but it would likely get a little unusual before hitting the final act because time travel gets involved.
I do hope that helps Turquoise, thank-you for the fun questions!