The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Ability (12 members)
- Albums (2 members)
- Article stubs (4 members)
- Blog posts (0 members)
- Books (2 members)
- Boss (7 members)
- Browse (6 members)
- Candidates for deletion (4 members)
- Characters (2 members)
- Custom maps (1 member)
- Disambiguations (0 members)
- Enemy (18 members)
- Episodes (2 members)
- Events (2 members)
- Help (0 members)
- Images (2 members)
- Infinitode 2 Wiki (1 member)
- Items (2 members)
- Keys (1 member)
- Levels (60 members)
- Locations (2 members)
- Other (1 member)
- Quests (2 members)
- Template documentation (26 members)
- Templates (27 members)
- Templates/Infobox (9 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- Tower (16 members)
- Trophies (1 member)