One of the major differences I noticed when I came to America for college was that, in social settings, people were utterly incapable of improvising a game from scratch. We always had to play a game that someone else had invented, such as a board game or a well-known drinking game - both of which had strict rules. And if the board game was missing a piece? It was deemed unplayable. No one tried to improvise a solution because it required outside-the-box thinking.
Playing the system. Its the new, new thing.