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.
Fencer: if you use CSS you cannot prevent people from using their own style sheets ... it's easy with mozilla/firefox.
but it would be more W3C-compliant