All Groups
Steam Universe - Public
1,765,455 Members   |   82,391 In-Game   |   484,615 Online   |   39075 In Group Chat
238,052 Members   |   11,961 In-Game   |   44,999 Online   |   15179 In Group Chat
Windows 8 Skin - Public
31,652 Members   |   1,576 In-Game   |   8,267 Online   |   694 In Group Chat