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ThinkingWithPortals Mapping - Public
31,159 Members   |   266 In-Game   |   2,852 Online   |   312 In Group Chat
Portal 2 Authoring Tools - Beta - Public
143 Members   |   3 In-Game   |   33 Online   |   14 In Group Chat
Portal 2: Pro Gamers - Public
553 Members   |   28 In-Game   |   141 Online   |   67 In Group Chat
Human Fall Flat Workshop - Public
195,992 Members   |   5,224 In-Game   |   31,710 Online   |   19350 In Group Chat
Coop Hub Buddies (Portal 2) - Public
1,924 Members   |   74 In-Game   |   441 Online   |   978 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