All Groups
SteamDB - Public
229,565 Members   |   6,797 In-Game   |   39,350 Online   |   8719 In Group Chat
2K - Public
169,343 Members   |   4,742 In-Game   |   32,726 Online   |   2063 In Group Chat
2,098,262 Members   |   50,163 In-Game   |   329,936 Online   |   176238 In Group Chat
Humble Games - Public
141,873 Members   |   3,585 In-Game   |   25,473 Online   |   2226 In Group Chat