Stuxnet

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Steam Universe - Public
1,777,571 Members   |   25,681 In-Game   |   246,961 Online   |   40546 In Group Chat
Steam Client Beta - Public
394,232 Members   |   12,549 In-Game   |   62,625 Online   |   19160 In Group Chat
Steam Trading Cards Group - Public
2,185,390 Members   |   34,326 In-Game   |   306,375 Online   |   191281 In Group Chat