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ThinkingWithPortals Mapping - Public
30,799 Members   |   167 In-Game   |   2,321 Online   |   292 In Group Chat
Portal 2 Authoring Tools - Beta - Public
144 Members   |   1 In-Game   |   19 Online   |   13 In Group Chat
Portal 2: Pro Gamers - Public
548 Members   |   14 In-Game   |   108 Online   |   63 In Group Chat
Human Fall Flat Workshop - Public
196,394 Members   |   4,067 In-Game   |   26,351 Online   |   19279 In Group Chat
Coop Hub Buddies (Portal 2) - Public
1,896 Members   |   47 In-Game   |   319 Online   |   917 In Group Chat
Development Bros
2 Members   |   1 In-Game   |   2 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