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ThinkingWithPortals Mapping - Public
31,156 Members   |   184 In-Game   |   1,796 Online   |   307 In Group Chat
Portal 2 Authoring Tools - Beta - Public
143 Members   |   0 In-Game   |   15 Online   |   14 In Group Chat
Portal 2: Pro Gamers - Public
553 Members   |   17 In-Game   |   94 Online   |   67 In Group Chat
Human Fall Flat Workshop - Public
196,086 Members   |   2,637 In-Game   |   22,449 Online   |   19356 In Group Chat
Coop Hub Buddies (Portal 2) - Public
1,916 Members   |   48 In-Game   |   301 Online   |   969 In Group Chat
Development Bros
1 Member   |   0 In-Game   |   1 Online   |   3 In Group Chat
Portal 2 Speedrunners - Public
1 Member   |   0 In-Game   |   1 Online   |   0 In Group Chat
Portal 2 Modding - Public
1 Member   |   0 In-Game   |   1 Online   |   0 In Group Chat