Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board! If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.
What kind of age group are you talking about, IM? I think even teenagers - if they try to tell you they are older than their actual age that you would sooner or later catch on and realise they aren't as old as they say.