The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- Article management templates (5 members)
- Article stubs (4 members)
- Assimilated characters (46 members)
- Assimilated characters (2002 game) (17 members)
- Biologists (2 members)
- BlogListingPage (0 members)
- Blog posts (7 members)
- Browse (3 members)
- Candidates for deletion (3 members)
- Candidates for speedy deletion (0 members)
- Category templates (4 members)
- Characters (110 members)
- Characters (1951 film) (15 members)
- Characters (1982 film) (14 members)
- Characters (2002 game) (41 members)
- Characters (2011 film) (16 members)
- Characters (Comics) (17 members)
- Characters (Who Goes There?) (3 members)
- Characters by occupation (6 members)
- Citation templates (2 members)
- Citations needed (0 members)
- Comics (5 members)
- Community (5 members)
- Content (16 members)
- Cooks (2 members)
- Copyright (1 member)
- Creatures (79 members)
- Creatures (1951 Film) (2 members)
- Creatures (1982 Film) (10 members)
- Creatures (2011 Film) (12 members)
- Creatures (Comics) (18 members)
- Creatures (Video Game) (13 members)
- Cultural impact (2 members)
- Cut characters (2002 game) (3 members)
- Deceased characters (66 members)
- Disambiguations (4 members)
- Dog Handlers (2 members)
- Females (2 members)
- Film crew (1 member)
- Films (5 members)
- Forums (6 members)
- General wiki templates (29 members)
- Geologists (4 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (2 members)
- Image wiki templates (9 members)
- Images (4 members)
- Infobox templates (10 members)
- Items (13 members)