The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement images (13 members)
- Achievements (3 members)
- Adler Notes (13 members)
- Alternate Reality Game (9 members)
- Article Media (6 members)
- Article Stubs (0 members)
- Behind-the-Scenes (3 members)
- Candidates for deletion (0 members)
- Character Name Headers (9 members)
- Character Portraits (10 members)
- Characters (14 members)
- Characters Oxenfree II (1 member)
- Collectibles (3 members)
- Concept Art (18 members)
- Disambiguations (0 members)
- Gameplay (1 member)
- Headers (6 members)
- Images (21 members)
- Locations (3 members)
- Locations Oxenfree II (1 member)
- Lore (6 members)
- Media (3 members)
- Music (11 members)
- Oxenfree (16 members)
- Oxenfree II (3 members)
- Oxenfree Wiki (9 members)
- Screenshots (22 members)
- Sound files (43 members)
- Steam Trading Cards (32 members)
- Template documentation (33 members)
- Templates (43 members)
- Videos (20 members)
- Wiki skin images (5 members)