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Steam Trading Cards Group - Public

2,290,635 Members | 34,045 In-Game | 311,910 Online | 228068 In Group Chat

The Umbrella Corp - Public

26,502 Members | 613 In-Game | 2,618 Online | 1095 In Group Chat

Bioshock 2 Multiplayer Comm - Public

4,268 Members | 127 In-Game | 817 Online | 564 In Group Chat