The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• Achievement templates‏‎ (1 member)
• Achievements‏‎ (37 members)
• Candidates for deletion‏‎ (1 member)
• Candidates for speedy deletion‏‎ (0 members)
• Characters‏‎ (7 members)
• Citation needed‏‎ (1 member)
• Cleanup‏‎ (0 members)
• Community‏‎ (3 members)
• Contents‏‎ (3 members)
• Copyright templates‏‎ (10 members)
• Developers‏‎ (1 member)
• Disambiguations‏‎ (0 members)
• Documentation templates‏‎ (5 members)
• Formatting templates‏‎ (20 members)
• Gamepedia Blocks‏‎ (3 members)
• Green Sigils‏‎ (4 members)
• Guardians‏‎ (4 members)
• Help‏‎ (0 members)
• Images‏‎ (2 members)
• Images needing improvement‏‎ (0 members)
• Infobox templates‏‎ (0 members)
• Legal notices‏‎ (3 members)
• Locations‏‎ (6 members)
• Milton Library Archive‏‎ (1 member)
• Notice templates‏‎ (10 members)
• Pages with broken file links‏‎ (9 members)
• Secret Stars‏‎ (1 member)
• Sigils‏‎ (8 members)
• Stubs‏‎ (0 members)
• Template documentation‏‎ (1 member)
• Template images‏‎ (0 members)
• Templates‏‎ (16 members)
• Templates with bad documentation‏‎ (0 members)
• Templates with no documentation‏‎ (0 members)
• Tools‏‎ (13 members)
• Tools templates‏‎ (1 member)
• User groups‏‎ (12 members)
• Wiki‏‎ (5 members)
• Wiki maintenance‏‎ (9 members)
• Wiki skin images‏‎ (2 members)
• Yellow Sigils‏‎ (3 members)