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.
Salkkuman: I agree, I'd hope those three popular sizes are included. I imagine the hold-up is that writing a Go game implementation is a lot tougher than writing one for chess, since pattern recognition is such a big part of the game. I'd be willing to help, if that's possible :)
(hide) If you are waiting for your turn, click on "change" next to the "refresh" on the main page, then set refresh the page to 30 seconds to get your turn to move displayed faster. (Servant) (show all tips)