Oh, I agree with that, I especially wouldn't want to see a left hand rule solution, but my point was just that it's not just > remember places they had been pr

Oh, I agree with that, I especially wouldn't want to see a left hand rule solution, but my point was just that it's not just > remember places they had been previously and bias against those places Which is something a real maze solving algorithm could do. The linked solution might do that, but mainly it works by cheating (effectively, implementing "gravity" pulling guests towards squares that it knows are closer to the end). That might be just fine for the purposes of making a video game, but it doesn't seem like the sort of approach you were talking about.