I liked the concept of being tethered by your breath.
I noticed that the trees were an unlimited source of wood so at the beginning I could just stand by the tree with the grass and get hundreds of wood and never have to worry about wood again. I did run into slime as a limiting resource though. I followed the direction of the initial road placements and only built the road one thick and then I just couldn't find any slimes to kill. Because of this I only ever really got one island away.
Having to go back to the central spot to create roads also seemed like it would become more of a hassle the farther you have built your road. So if the game were to be expanded I would recommend having a way to continue to build road after traveling a distance.
I noticed that when you die you get to keep your resources, but the roads you build get reset. So it seems like the current winning strategy is to farm a ton of wood and then kill a slime and die until you have a ton of resources. There isn't a point to build a road and then die because the resource is lost. So you get as much as you can from farming and then try to go out and explore. It would feel more like a rouguelike progression system if the road stayed or even if after two patches of grass get connected that road stays.