It would be fun if it ran a random walk guidance system of a roomba, and you could just let it go on its own. When will it visit your city? Oops, a high pressur

It would be fun if it ran a random walk guidance system of a roomba, and you could just let it go on its own. When will it visit your city? Oops, a high pressure magma pool, better turn around. Like a cursed Thomas the tank engine.