I can't think of very many other things are in our culture to the point where it becomes a genre.
I'm trying to figure out this thought and I want to get some discussion going.
Clarification - I'm high right now and just pursuing a train of thought.
It's wack. That being said, living with my folks for a couple months, it has been really fucking fun playing Mario kart with them. Same room multi-player is the best kind of playing video games.