The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Babel (6 members)
- Backgrounds (200 members)
- Backstage (6 members)
- Bang Shishigami (730 members)
- Bascule (11 members)
- Battle (109 members)
- Battle Cards Characters (9 members)
- Battle x Puzzle Characters (8 members)
- Beastkin (3 members)
- Bell (9 members)
- Birthday Art (284 members)
- Black Beast (23 members)
- Blake Belladonna (31 members)
- BlayzBloo: Super Melee Brawlers Battle Royale (5 members)
- BlazBlue: Alter Memory (42 members)
- BlazBlue: Battle x Battle (1 member)
- BlazBlue: Bloodedge Experience - Part 1 (13 members)
- BlazBlue: Bloodedge Experience - Part 2 (10 members)
- BlazBlue: Calamity Trigger (250 members)
- BlazBlue: Calamity Trigger - Part 1 (14 members)