I really enjoyed playing around with the winner (http://js1k.com/2014-dragons/demo/1903 http://js1k.com/2014-dragons/demo/1903), but I'm somehow surprised Highw

I really enjoyed playing around with the winner (http://js1k.com/2014-dragons/demo/1903 http://js1k.com/2014-dragons/demo/1903), but I'm somehow surprised Highway At Night didn't win. Is there something about the winner's implementation that's particularly amazing?