The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Administration of this site (4 members)
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- Book of Secrets (33 members)
- Book of Secrets Clues (14 members)
- Books (2 members)
- Browse (22 members)
- Cachola (1 member)
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- Cast members (25 members)
- Characters (59 members)
- Clues (14 members)
- Community (1 member)
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- Dates (1 member)
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- Forums (6 members)
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- Gates Family Mystery (12 members)
- Genealogy formatting templates (3 members)
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- Main Page templates (1 member)
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- Watercooler (4 members)
- Wikia maintenance (2 members)
- Years (26 members)