| Sega Saturn CD |  Mogitate SegaSaturn Vol. 3 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Mogitate SegaSaturn Vol. 4 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Mogitate SegaSaturn Vol. 5 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Motteke Tamago with Ganbare! Kamonohashi | 1998 | Naxat Soft. Japan |
| Sega Saturn CD | Mujintou Monogatari R - Futari no Love Love Island 18 | 1998 | KSS Media Ent. Co. Japan |
| Sega Saturn CD | Murakoshi Seikai no Bakuchou Nihon Rettou | 1998 | Victor Interactive Soft., Inc. |
| Sega Saturn CD | My Fair Lady - Virtual Mahjong 2 | 1998 | Micronet Co., Ltd. Japan |
| Sega Saturn CD | NASCAR 98 | 1998 | EA Sports |
| Sega Saturn CD | NBA Action 98 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Neon Genesis: Evangelion - Koutetsu no Girlfriend | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD |  NHL 98 Model T-5026H-50 | 1998 | EA Sports |
| Sega Saturn CD | NHL All-Star Hockey 98 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Nihon Daihyou Team no Kantoku ni Naruu! Sekaihatsu Soccer RPG Model T-35504G | 1998 | Enix, Ltd. Japan |
| Sega Saturn CD | Nile Gawa no Yoake | 1998 | Pack In Soft. Japan |
| Sega Saturn CD | Nobunaga no Yabou - Sengoku Gunyuuden | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Nobunaga no Yabou Shouseiroku | 1998 | KOEI Co., Ltd. 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 |
| Sega Saturn CD | Ojousama Tokkyuu Model T-27803G | 1998 | Media Works Japan |
| Sega Saturn CD | Ojousama wo Nerae!! | 1998 | Crystal Vision |
| Sega Saturn CD | Ousama Game | 1998 | Societa Daikanyama |
| Sega Saturn CD | Pachinko Hall Shinsou Dai Kaiten | 1998 | Electronic Arts Victor, Inc. Japan |
| Sega Saturn CD | Panzer Dragoon Saga Model 81307 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Panzer Dragoon Saga Model MK-81307-50 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Phantasy Star Collection Sega Ages Model GS-9186 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Photo Genic | 1998 | SUNSOFT Kounan, Japan |
| Sega Saturn CD | Pia Carrot he Youkoso! We've Been Waiting for You | 1998 | KID Kindle Imagine Develop |
| Sega Saturn CD | Pia Carrot he Youkoso! We've Been Waiting For You Shokai Genteiban | 1998 | KID Kindle Imagine Develop |
| Sega Saturn CD | Pia Carrot he Youkoso!! 2 | 1998 | Nec InterChannel, Ltd. Japan |
| Sega Saturn CD | Pocket Fighter | 1998 | Capcom Co., Ltd. Japan |
| Sega Saturn CD | Power Drift Sega Ages Model GS-9181 P | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Primal Rage Model T-18614G | 1998 | Softbank Corp. Japan |
| Sega Saturn CD | Primal Rage Model T-4802H | 1998 | Time Warner Interactive |
| Sega Saturn CD | Princess Maker - Yumemiru Yousei | 1998 | Gainax Japan |
| Sega Saturn CD | Princess Quest | 1998 | IPC Increment P Corp. Japan |
| Sega Saturn CD | Pro Pinball - The Web | 1998 | Empire Interactive Europe, Ltd. |
| Sega Saturn CD | Pro Yakyuu Greatest Nine '98 - Summer Action | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Pro Yakyuu Greatest Nine '98 Model GS-9185 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Pro Yakyuu Team mo Tsukurou! | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
