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.
mctrivia: Very simply - instead of just 2 people shooting at each other's ships, more (maybe up to 5?) people shoot at each other's ships! Each turn consists of sub-turns shooting at a specific opponent's board - whoever's ships are all sunk, gets booted until one player remains alive, and wins!