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.
I think circle with appropriate size and color would be fine. You can check this link as an example. IMHO should be circle filled with different color - not grey but say black ?
(verstecken) Einige Turniere halten Gewinnpreise parat, beispielsweise eine bezahlte Mitgliedschaft oder eine gewisse Anzahl Brains. (JackAwesome) (zeige alle Tips)