| NightEmber | Developer | |
| NightKawata | Developer | |
| NightRustle | Developer | |
| Nightblade50 | Developer | |
| Nightcube Games | Developer | |
| Nightdive Studios | DeveloperPublisher | |
| Nighten | Developer | |
| Nightfall Studios | Developer | |
| Nightfury@12 | Developer | |
| Nighthawk Interactive | DeveloperPublisher | |
| NighthoodGames | Developer | |
| NightinGames | Developer | |
| Nightmare Games | Developer | |
| Nightmare YT | Developer | |
| NightmareLele135 | Developer | |
| NightmaresStudios | Developer | |
| Nightmerik | Developer | |
| Nightmist Online Development | Developer | |
| Nights87 | Developer | |
| Nightshift Studios | Developer | |
| Nighttsong | Developer | |
| Nigiri Games | Developer | |
| Nigoro | Developer | |
| Nihil Aleph | Developer | |
| Nihilistic | Developer | |
| Nihilistic Software | Developer | |
| Nihiloss | Developer | |
| Nihirashi! | Developer | |
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| Nihon Application Co. | DeveloperPublisher | |
| Nihon Application Co., Ltd. | DeveloperPublisher | |
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| Nihon Falcom | DeveloperPublisher | |
| Nihon Falcom Corp | Developer | |
| Nihon Falcom Corp. | DeveloperPublisher | |
| Nihon Falcom Corporation | DeveloperPublisher | |
| Nihon FalcomJP | Publisher | |
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| Nihon Shogi Network | Developer | |
| Nihon Soft System | Developer | |
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| Nihon Syscom | DeveloperPublisher | |
| Nihon System | DeveloperPublisher | |
| Nihon System / | Publisher | |
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| Nik Chernyakov | Developer | |