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Steam Universe - Public
1,766,042 Members   |   49,727 In-Game   |   315,940 Online   |   39279 In Group Chat
2,098,418 Members   |   57,139 In-Game   |   341,830 Online   |   176344 In Group Chat
CardTrades - Public
92,086 Members   |   2,452 In-Game   |   15,862 Online   |   3374 In Group Chat