The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Navel (Developer) (1 member)
- Need for Speed (Series) (9 members)
- Neko Entertainment (Developer) (2 members)
- Nerve Software (Developer) (1 member)
- NetherRealm Studios (Developer) (4 members)
- Netplay tested (Netplay) (609 members)
- Network status: Connected (Config) (9 members)
- Network status: Disconnected (Config) (1 member)
- Neutron Games (Developer) (1 member)
- Neverland (Developer) (2 members)
- Neversoft (Developer) (9 members)
- New 38th Floor Productions (Publisher) (2 members)
- News (Genre) (1 member)
- Nex Entertainment (Developer) (3 members)
- Next Level Games (Developer) (1 member)
- Nihilistic Software (Developer) (3 members)
- Nihon Falcom (Developer) (2 members)
- Nihon Falcom (Publisher) (2 members)
- NinjaBee (Developer) (1 member)
- Ninja Gaiden (Series) (5 members)
- Ninja Theory (Developer) (3 members)
- Nippon Ichi Software (Developer) (11 members)
- Nippon Ichi Software (Publisher) (37 members)
- Nitroplus (Developer) (2 members)
- Nitroplus (Publisher) (1 member)
- Nobilis (Publisher) (1 member)
- Noego (Developer) (1 member)
- North America (Release region) (1,617 members)
- Novarama (Developer) (1 member)
- Now Production (Developer) (1 member)
- Number None (Developer) (1 member)
- Number None (Publisher) (1 member)
- O-Games (Publisher) (2 members)
- OG International (Publisher) (1 member)
- O Games (Publisher) (1 member)
- Obsidian Entertainment (Developer) (4 members)
- Obut Pétanque (Series) (2 members)
- Oddworld (Series) (3 members)
- Oddworld Inhabitants (Publisher) (3 members)
- Old School Games (Developer) (2 members)
- Omega Force (Developer) (33 members)
- Omni Systems (Developer) (1 member)
- One Piece (Series) (4 members)
- One True Game Studios (Developer) (1 member)
- Ongakukan (Developer) (2 members)
- Ongakukan (Publisher) (2 members)
- Operation Flashpoint (Series) (2 members)
- Orange Juice (Developer) (1 member)
- Other Ocean Interactive (Developer) (3 members)
- Output scaling: FidelityFX Super Resolution (FSR) (Config) (1 member)