| Sega Saturn CD |  Sakura Taisen - Teigeki Graph | 1998 | SIMS Co., Ltd. Japan |
| Sega Saturn CD | Sakura Taisen 2 - Kimi, Shini Tamou Kotonakare Tokubetsu-ban | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sakura Taisen 2 - Kimi, Shini Tamou Kotonakare Model GS-9169 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sakura Taisen 2 - Kimi, Shini Tamou Kotonakare Model GS-9198 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sakura Taisen Satakore | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sakura Tsuushin | 1998 | Media Gallop Japan |
| Sega Saturn CD | Samurai Spirits Best Collection Model T-3123G | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| Sega Saturn CD | Sankyo Fever Jikki Simulation S Vol. 2 | 1998 | TEN Institute |
| Sega Saturn CD | Sankyo Fever Jikki Simulation S Vol. 3 | 1998 | TEN Institute |
| Sega Saturn CD |  Satakore: 2do Arukotoha Sand-R Model T-6804G | 1998 | CRI CSK Research Institute Japan |
| Sega Saturn CD | Saturn Collection: Fighting Illusion - K-1 Grand Prix Shou Model T-26113G | 1998 | Xing Ent. Japan |
| Sega Saturn CD |  Saturn Power No.5: WipEout 2097 Demo | 1998 | Future Publishing, Ltd. UK |
| Sega Saturn CD | Savaki | 1998 | Micro Cabin Co. Japan |
| Sega Saturn CD | SD Gundam G Century S | 1998 | Bandai Co., Ltd. Japan |
| Sega Saturn CD | SeaBass Fishing 2 Satakore | 1998 | Victor Interactive Soft., Inc. |
| Sega Saturn CD | Sega Ages: Fushigi no Oshiro Daibouken + Guruzia Ou no Hihou Model GS-9179 P | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sega Rally Championship Netlink Edition Model 81215 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sega Saturn de Hekken! Tamagocchi Park | 1998 | Bandai Co., Ltd. Japan |
| Sega Saturn CD | Sega Worldwide Soccer '98 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sega Worldwide Soccer '98 Club Edition | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Sega Worldwide Soccer '98 Model 81123 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Segata Sanshirou - Shinken Yuugi Model GS-9204 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Senkutsu Katsuryu Taisen - Chaos Seed Model T-30902G | 1998 | ESP Ent. Soft. Publishing |
| Sega Saturn CD | Sentimental Graffiti | 1998 | Nec InterChannel, Ltd. Japan |
| Sega Saturn CD | Shadows of the Tusk | 1998 | Hudson Soft. Hudson Group Japan |
| Sega Saturn CD | She'sn | 1998 | KID Kindle Imagine Develop |
| Sega Saturn CD | Shichisei Toushin Guyferd - Crown Kaimetsu Sakusen | 1998 | Capcom Co., Ltd. Japan |
| Sega Saturn CD | Shining Force III - Scenario 2 - Nerawareta Miko Model GS-9188 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Shining Force III - Scenario 3 - Hyouheki no Jashinguu Model GS-9203 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD |  Shining Force III Model 81383 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Shining Force III Model MK81383-50 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Shinseiki Evangelion - Eva to Yukaina Nakamatachi | 1998 | Gainax Japan |
| Sega Saturn CD | Shiroki Majo - Mou Hitotsu no Eiyuu Densetsu | 1998 | Hudson Soft. Hudson Group Japan |
| Sega Saturn CD | Shiroki Majo - Mou Hitotsu no Eiyuu Densetsu Taikenban | 1998 | Hudson Soft. Hudson Group Japan |
| Sega Saturn CD | Shoujo Kakumei Utena Itsuka Kakumei Sareru Monogatari | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Simulation RPG Tsukuru Model T-2106G | 1998 | ASCII Corp. Japan |
| Sega Saturn CD | Slayers Royal 2 Model T-27907G | 1998 | Kadokawa Shoten Japan |
| Sega Saturn CD | Sokkou Seitokai - Sonic Council | 1998 | Banpresto Japan |
| Sega Saturn CD | Sol Divide - Sword of Darkness Model T-14423G | 1998 | Atlus Co., Ltd. Japan |
| Sega Saturn CD | Solo Crisis Taiken Sample-ban | 1998 | Quintet |
