Starcraft is not the only game that Galactic Empire members play. Here is a list of other games that members play that are not on Battle.net
Baldurs Gate-
This is an RPG in which the main character (the creator of the multiplayer sesion) forms a party of adventurers. Six characters is the max number in the party. Fight your way through orcs, hobgoblins,and other enimies in AD&D fashion.
Current players for Baldurs Gate
Elvis             -(Voltron~GE under starcraft)
Everett         -(XenoGear(GE) under Starcraft)
Chances are their are more games that members play that just havent been reported in.