>>14192150It's kind of doable, but would require a lot of balancing, and careful design so that one route isn't clearly better than the rest.
Doing every town would be too much, but doing something with four towns could work.
It would be easiest with Kanto.
> West = Pallet Town> East = Lavender Town> North = Expand area around Bill's house into a town> South = Add an island with boat travel below Fuchsia City.The hardest part of course is making sure that starting from one place doesn't give a huge advantage over starting from others.