Although BrainKing had been formerly created as a pure game site, it also contains many features known from social networking projects - discussion boards, chat rooms, friend lists, user profiles, user pictures etc. Many of these functions are available to all registered users, but there are still some extras to be unlocked after upgrading to a higher membership level:
(hide) Play a game in real time with an online opponent! For this to be possible, you and your opponent have to select the action "Move and stay here" as default and then reload the page with the F5 key! (TeamBundy) (show all tips)