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.
Dark Halma - I don't see that working. (1) the game depends on where your opponenets pieces are (so you know if you can jump or not) and (2) if you can see the start & finish of each move, then it would be easy to look at past moves to know where every piece is.