Great quiz. Only thing bothering me is that neither Stockholm or Oslo have over one million people in their city proper area. You must be meaning metro or urban area but there's no way for me to know it.
Yeah, I did it by metro area. I probably should've specified that. I don't think I need to edit the quiz though as they both are under 1 million for City Proper but over 1 million for both Urban and Metro Area.
I would add that to the directions but sadly it would take away all the quiz data so since this quiz is harder to get to now and the problem doesn't technically affect the quiz then I'm going to keep.