The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Articles needing cleanup (3 members)
- Articles needing fact cleanup (0 members)
- Articles with broken file links (2 members)
- Articles with incomplete sections (3 members)
- Articles with too many About links (0 members)
- Artificial intelligence (1 member)
- Artwork (3 members)
- Astronomical objects (2 members)
- Astronomy (1 member)
- Audio files (0 members)
- Candidates for deletion (0 members)
- Candidates for merging (0 members)
- Character screenshots (0 members)
- Character sprites (3 members)
- Characters (3 members)
- Characters by era (2 members)
- Characters by species (3 members)
- Companies (1 member)
- Concept art (2 members)
- Cover art (1 member)
- Disambiguation (1 member)
- Documents (5 members)
- Documents by source (1 member)
- Documents by type (1 member)
- Enemies (1 member)
- Enemies by era (2 members)
- Fair use documents (7 members)
- Fair use images (13 members)
- File maintenance (4 members)
- File notices (3 members)
- File templates (3 members)
- Files needing a summary (4 members)
- Files needing categorization (0 members)
- Files to be replaced (0 members)
- Files with versions pending deletion (0 members)
- Formatting templates (14 members)
- Game concept art (2 members)
- Game covers (2 members)
- Game documents (1 member)
- Game engines (1 member)
- Game franchises (1 member)
- Game images (5 members)
- Game renders (1 member)
- Game screenshots (4 members)
- Game series (1 member)
- Game sprites (3 members)
- Gameplay (2 members)
- Games (6 members)
- Help (4 members)
- Human (2 members)