The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Minotaurs/Heritages (1 member)
- Mithrai/Saints (1 member)
- Mongrelmen (1 member)
- Mostagedda (1 member)
- Mountains (27 members)
- Mummies (1 member)
- Myos (2 members)
- Myos/Neighborhoods (2 members)
- Mysteries (3 members)
- Mythical creatures (1 member)
- Nabopolassar's Host (8 members)
- Nabopolassar's Host/Forts (3 members)
- Nabopolassar's Host/Geography (2 members)
- Nabopolassar's Host/History (2 members)
- Nabopolassar's Host/Locations (2 members)
- Nabopolassar's Host/People (1 member)
- Nabopolassar's Host/Settlements (4 members)
- Nabopolassar's Host/Towns (1 member)
- Nakazani (4 members)
- Nakazani/People (1 member)
- Nations (118 members)
- Nations/Depths (1 member)
- Nations/Historical (12 members)
- Nations/Legendary (1 member)
- Navbox orphans (0 members)
- Neighborhoods (3 members)
- New Sotosa (9 members)
- New Sotosa/Cities (1 member)
- New Sotosa/Forts (1 member)
- New Sotosa/Geography (2 members)
- New Sotosa/History (4 members)
- New Sotosa/Locations (2 members)
- New Sotosa/People (2 members)
- New Sotosa/Settlements (3 members)
- New Sotosa/Towns (1 member)
- Newspapers (0 members)
- Ninme (1 member)
- Noble Houses (21 members)
- Northern Wall (6 members)
- Nyxras/Saints (1 member)
- Oases (6 members)
- Oceans (3 members)
- Okoton (4 members)
- Okoton/Geography (3 members)
- Okoton/Locations (3 members)
- Orange Lotus Fleet (2 members)
- Orcs (11 members)
- Orcs/Heritages (2 members)
- Oreads (1 member)
- Organizations (97 members)