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

• Amethyst‏‎ (6 members)
• Arena : Defense! Wiki‏‎ (5 members)
• Blog posts‏‎ (5 members)
• Bosses‏‎ (7 members)
• Candidates for deletion‏‎ (0 members)
• Community‏‎ (1 member)
• Design templates‏‎ (1 member)
• Disambiguations‏‎ (3 members)
• Documentation templates‏‎ (1 member)
• Easy Maps‏‎ (8 members)
• Enemies‏‎ (63 members)
• Event‏‎ (2 members)
• EventEnded‏‎ (5 members)
• Expert Maps‏‎ (4 members)
• Features‏‎ (3 members)
• Gallery pages‏‎ (28 members)
• General wiki templates‏‎ (9 members)
• Guardian‏‎ (10 members)
• Hard Maps‏‎ (5 members)
• Hatnote templates with errors‏‎ (0 members)
• Hybrid‏‎ (6 members)
• Image license templates‏‎ (12 members)
• Images‏‎ (4 members)
• Infobox templates‏‎ (13 members)
• Mainpage templates‏‎ (1 member)
• Maintenance‏‎ (6 members)
• Maps‏‎ (27 members)
• Media‏‎ (2 members)
• Medium Maps‏‎ (10 members)
• Navbox templates‏‎ (4 members)
• Notice templates‏‎ (10 members)
• Pages with broken file links‏‎ (0 members)
• Pages with syntax highlighting errors‏‎ (1 member)
• Quote templates‏‎ (2 members)
• Ruby‏‎ (6 members)
• Screenshots‏‎ (0 members)
• Stubs‏‎ (85 members)
• Summon‏‎ (2 members)
• Template documentation‏‎ (50 members)
• Templates‏‎ (11 members)
• Tower‏‎ (29 members)
• Towers‏‎ (2 members)
• Unattributed files‏‎ (0 members)
• Videos‏‎ (0 members)
• Void‏‎ (1 member)
• Wiki skin images‏‎ (2 members)