[oinknessx]

Considering what I've seen, none of them would be E (except perhaps Atlantis) and most of them would be above M. You've got to realize that the material has to be rated including the interaction by the playing community. Whether you want to accept that or not, it's a multiplayer game, and they are a part of each other's gaming experience...

If the user's profile states that their age is 18 or older, and they click on "I agree" to enter the playerworld, then there should be no problem. As it stands, parents should know what their kids are looking at currently. I'm sure a lot of parents would expect a refund if they knew what their children were being exposed to.