The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Afterworld (12 members)
- Afterworld Administrators (1 member)
- Article stubs (1 member)
- BlogListingPage (0 members)
- Category templates (3 members)
- Character images (5 members)
- Characters (8 members)
- Community (5 members)
- Copyright (2 members)
- Dates in Afterworld (2 members)
- Deceased characters (2 members)
- Deletion candidates (0 members)
- Disambiguations (0 members)
- Episodes (1 member)
- Female (2 members)
- Forums (6 members)
- General wiki templates (12 members)
- Help (21 members)
- Help desk (2 members)
- Hidden categories (2 members)
- Image wiki templates (11 members)
- Images (4 members)
- Inactive users (1 member)
- Infoboxes (1 member)
- Locations (3 members)
- Mainpage Images (1 member)
- Mainpage images (6 members)
- Male (2 members)
- Navigational templates (1 member)
- Needs image (0 members)
- Organisation (8 members)
- Pages with broken file links (0 members)
- Policy (3 members)
- Recaps (3 members)
- Signatures (1 member)
- Site administration (5 members)
- Site maintenance (5 members)
- Speedy deletion candidates (0 members)
- Template documentation (1 member)
- Templates (29 members)
- Watercooler (2 members)