Absolutely amazing! Incredible NES feel, definitely feels like an old NES game. Unfortunately I couldn't find a possible solution for the 3rd level as there didn't seem to quite be a possible path from the right side to the end. There's almost a path around the top of the map, but since tracks need at least one straight track between each curve, I couldn't find a possible way to get to the rest of the levels, which is a shame as I would love to see them!