The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Characters/da (3 members)
- Characters/de (25 members)
- Characters/es (44 members)
- Characters/fi (40 members)
- Characters/fr (48 members)
- Characters/hu (4 members)
- Characters/ja (11 members)
- Characters/ko (12 members)
- Characters/nl (1 member)
- Characters/pl (7 members)
- Characters/pt-br (22 members)
- Characters/ru (52 members)
- Characters/sv (2 members)
- Characters/zh-hans (17 members)
- Characters/zh-hant (13 members)
- Chell Player (2 members)
- Chell images (17 members)
- Comics (40 members)
- Comics/hu (4 members)
- Comics/pt-br (28 members)
- Community (5 members)
- Community/cs (1 member)
- Community/es (2 members)
- Community/fi (2 members)
- Community/fr (3 members)
- Community/pl (2 members)
- Community/pt-br (3 members)
- Community/ru (4 members)
- Community Content (1 member)
- Community Maps (4 members)
- Community Maps/fi (3 members)
- Community Maps/pt-br (3 members)
- Community Maps/ru (3 members)
- Community content (34 members)
- Community content/es (3 members)
- Community content/fi (11 members)
- Community content/fr (8 members)
- Community content/ko (3 members)
- Community content/pl (5 members)
- Community content/pt-br (20 members)
- Community content/ru (15 members)
- Community contests (10 members)
- Community contests/cs (3 members)
- Community contests/es (2 members)
- Community contests/fi (8 members)
- Community contests/fr (7 members)
- Community contests/ja (2 members)
- Community contests/pl (1 member)
- Community contests/pt-br (8 members)
- Community contests/ru (5 members)