The nudity part includes that no part of a woman's breast below the top of the nipple should be shown, so this would ban anything with cut-off tops that show under-boobs.
Also, it's not constitutional, no mater how much Jack Thompson demands that it is. (he always says so in http://gamepolitics.livejournal.com )
Truth be told, I am under 18 and I realistically think that, as a minor, I have no right to play, say, Vice City, without my parents' permission (thus meaning they buy it for me). I honestly don't think it is that bad of an idea, constitutional or not.
Michael: Jodie, how's my schedule look for today? Jodie: You've got a conference and dinner party at the Japanese Embassy regarding wildlife protection. Michael: Oh, yeah...sorry, but I'll have to cancel that. I'm heading out to save America!
Then it is up to your parents to decide and instill upon you the determination that you are allowed to purchase and play the game, not the government. My parents gave no restrictions like that.
2014 is going to be a good year. More content, more streamlining. Be a part of history!