The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1koma (83 members)
- 1koma images (0 members)
- 1☆ cards (26 members)
- 25-ji, Night Code de. Songs (0 members)
- 25-ji, Nightcord de. (20 members)
- 25-ji, Nightcord de. events (13 members)
- 25-ji, Nightcord de. scorer cards (2 members)
- 25-ji, Nightcord de. songs (41 members)
- 2D MV illustrations (7 members)
- 2☆ cards (123 members)
- 3☆ cards (121 members)
- 4koma (219 members)
- 4☆ cards (316 members)
- Accuracy scorer cards (0 members)
- Akiyama Mizuki cards (23 members)
- Album covers (20 members)
- Albums (5 members)
- Albums and singles (21 members)
- All stub articles (191 members)
- Aoyagi Toya cards (23 members)
- Area items (45 members)
- Article management templates (1 member)
- Article message templates (1 member)
- Article message templates with missing parameters (2 members)
- Article stubs (0 members)
- Articles which use infobox templates with no data rows (0 members)
- Asahina Mafuyu cards (24 members)
- Audio (55 members)
- Avatar thumbnails (34 members)
- Azusawa Kohane Cards (0 members)
- Azusawa Kohane cards (23 members)
- Banners (2 members)
- Birthday cards (45 members)
- Birthday illustrations (44 members)
- Birthday limited cards (45 members)
- Birthday scorer cards (45 members)
- Blog posts (0 members)
- Browse (4 members)
- Builder modules (3 members)
- Candidates for deletion (146 members)
- Card Images (2 members)
- Card art (1,068 members)
- Card assets (3 members)
- Card cutouts (1,068 members)
- Card navigational templates (26 members)
- Card templates (6 members)
- Card thumbnails (1,069 members)
- Cards (681 members)
- Categorizing templates (1 member)
- Characters (107 members)