Extremely beautiful. Well polished. The menus felt good. The style as a whole felt cohesive. And a really neat concept - I like the idea of seeing yours and others' failures and learning from that. Nice.
I couldn't get past the first level of Chapter 2. I'm trying to think of a way to nudge the player in the right direction without giving it away...I suppose as more players play, there will be more hints about what not to do? XD
I don't love the isometric view - felt it made some cause for frustration because it's difficult to get a precise turn, especially when there are limited frames of reference (but I'm also just not a fan of isometric view in general, so take that with a grain of salt!).
But really, this is an awesome idea and looks stunning, well done.
P.S. I'd be curious what you use to collect data about other players' paths and how you reuse that for future players? Any tutorials or documentation to point to? Thanks!