| Sony PlayStation CD |  Nickelodeon Rugrats - Search for Reptar Model SLUS-00650 | 1998 | T-HQ, Inc. Toy HeadQuarters |
| Amstrad CPC 464 disk | Night Life II Hb | 1998 | DarkSide MidNight Production |
| PC/MS-Windows CD | Nightlong | 1998 | DreamCatcher Interactive |
| PC/MS-Windows CD | Nightmare Creatures | 1998 | Activision, Inc. Los Angeles, CA, USA 47875 |
| Nintendo 64 cart. | Nightmare Creatures Model NUS-NNCE-USA | 1998 | Activision, Inc. Los Angeles, CA, USA 47875 |
| Sony PlayStation CD |  Nightmare Creatures Model SCES-00582 | 1998 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PlayStation CD | Nightmare Creatures Model SCES-00684 | 1998 | Sony Computer Ent., Inc. SCEI Japan |
| Sony PlayStation CD | Nightmare Creatures Model SIPS-60027 | 1998 | Sony Computer Ent., Inc. SCEI Japan |
| Nintendo Game Boy Cart. | Nihon Daihyou Team - Eikou no Eleven Model DMG-ASKJ-JPN | 1998 | Tomy |
| Nintendo Game Boy Cart. | Nihon Daihyou Team France de Ganbare J.League Supporter Soccer Model DMG-ASJJ-JPN | 1998 | J-Wing |
| Sega Saturn CD | Nihon Daihyou Team no Kantoku ni Naruu! Sekaihatsu Soccer RPG Model T-35504G | 1998 | Enix, Ltd. Japan |
| Sony PlayStation CD | Nihon Pro Mahjong Renmei Konin - Shin Tetsuman Model SLPS-01653 | 1998 | Naxat Soft. Japan |
| Sony PlayStation CD | Nijiiro Twinkle - Guru Guru Daisakusen Model SLPS-01506 | 1998 | ASCII Corp. Japan |
| Nintendo Game Boy Cart. | Nikkan Berutomo Club Model DMG-ANTJ-JPN | 1998 | I'Max Japan |
| Sega Saturn CD | Nile Gawa no Yoake | 1998 | Pack In Soft. Japan |
| Pachislot | Nine Planets | 1998 | Eleco, Ltd. Aruze Group Japan |
| Sony PlayStation CD | Ninja - L'Ombre des Tenebres Model SLES-00757 | 1998 | Eidos Interactive |
| Sony PlayStation CD |  Ninja - Shadow of Darkness - Beta ver. Model SLES-00076 | 1998 | Core Design, Ltd. |
| Sony PlayStation CD |  Ninja - Shadow of Darkness demo Model SLED-01413 | 1998 | Eidos Interactive |
| Sony PlayStation CD | Ninja - Shadow of Darkness demo Model SLED-01414 | 1998 | Eidos Interactive |
| Sony PlayStation CD | Ninja - Shadow of Darkness Model SLES-00756 | 1998 | Eidos Interactive |
| Sony PlayStation CD | Ninja - Shadow of Darkness Model SLES-00758 | 1998 | Eidos Interactive |
| Sony PlayStation CD | Ninja - Shadow of Darkness Model SLES-01554 | 1998 | Eidos Interactive |
| Sony PlayStation CD | Ninja - Shadow of Darkness Model SLUS-00435 | 1998 | Eidos Interactive |
| Nintendo Game Boy Cart. | Nintama Rantarou GB - Eawase Challenge Puzzle Model DMG-ACAJ-JPN | 1998 | Culture Brain |
| Sony PlayStation CD | Nintei-Ou - Zen Nihon Tsume Shougi Renmei Kaichou Okada Toshi no Tsume Shougi Kyoushitsu Model SLPS-01757 | 1998 | ASCII Corp. Japan |
| Sony PlayStation CD | Nishijin Pachinko Tengoku Vol. 3 Model SLPS-01761 | 1998 | KSS Media Ent. Co. Japan |
| Sony PlayStation CD | No One Can Stop Mr. Domino - Consumer Demo Model SLUS-80804 | 1998 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Sony PlayStation CD | No One Can Stop Mr. Domino Model SLES-01354 | 1998 | JVC Music Europe |
| Sony PlayStation CD | No One Can Stop Mr. Domino Model SLUS-00804 | 1998 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Sega Saturn CD | Nobunaga no Yabou - Sengoku Gunyuuden | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | Nobunaga no Yabou - Sengoku Gunyuuden Model SLPS-01247 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Nobunaga no Yabou Shouseiroku | 1998 | KOEI Co., Ltd. Japan |
| Sony PlayStation CD | NOëL - La Neige Special Model SLPS-01515 | 1998 | Pioneer LDC, Inc. Japan |
| Sony PlayStation CD | NOëL - La Neige Model SLPS-01190~2 | 1998 | Pioneer LDC, Inc. Japan |
| Sony PlayStation CD | NOëL - La Neige Model SLPS-01193~5 | 1998 | Pioneer LDC, Inc. Japan |
| Sega Saturn CD | NOëL 3 Special Edition Model T-22205G | 1998 | Pioneer LDC, Inc. Japan |
| Sega Saturn CD | NOëL 3 Model T-22206G | 1998 | Pioneer LDC, Inc. Japan |
| Sega Saturn CD | Noon | 1998 | Micro Cabin Co. Japan |
| Sony PlayStation CD | Noon Model SLPM-86063 | 1998 | Micro Cabin Co. Japan |
