This Message Forum is no longer in use
Please use the new Bravenet Help Forums FOUND HERE
you can't not with bravenet's forums you can sign up for multiple bravenet accounts and make one forum on games, and another on another topic just as bravenet has done here with their forums on different main topics or you can look at invisionfree or proboards they have more the type of forum you want or even phpbb style forums if you have a domain with the premium hosting plan
thx :D