The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Planets (13 members)
- Policy Templates (1 member)
- Preloads (1 member)
- Producers (2 members)
- Producers (TOS) (1 member)
- Props (1 member)
- RDM Broadcast Date Templates (1 member)
- RDM Release Date Templates (4 members)
- Races (1 member)
- Recurring Guest Characters (4 members)
- Reference templates (1 member)
- Requested Pages (1 member)
- Return of the Fighting 69th (18 members)
- Robots (4 members)
- Science (1 member)
- Screen captures (265 members)
- Screen captures (A Blast for Buck) (1 member)
- Screen captures (A Dream of Jennifer) (3 members)
- Screen captures (Ardala Returns) (1 member)
- Screen captures (Awakening) (111 members)