For game enthusiasts, Boardgamegeek.com's top rated games list is the ultimate high scores list. And in the first decade of this century, one game owned the #1 spot on that list: Puerto Rico. For years it seemed like nothing would ever displace it from its lofty perch high atop the ratings, but now it's tumbled all the way down to #6. This week we're talking about what made it special, and why it's no longer number one.