| Sony PlayStation CD |  Micro Machines Model SLPS-01111 | 1998 | NAMCO, Ltd. Japan |
| PC/MS-Windows CD |  Microsoft Baseball 3D | 1998 | Microsoft |
| PC/MS-Windows CD | Microsoft Golf 98 | 1998 | Microsoft |
| PC/MS-Windows CD | Microsoft Pinball Arcade | 1998 | Microsoft |
| PC/MS-Windows CD | Microsoft Revenge of Arcade | 1998 | Microsoft |
| Fruit Machine | Midas Touch Club | 1998 | Maygay Machines, Ltd. |
| Sony PlayStation CD | Midnight Run - Road Fighter 2 Model SLES-00590 | 1998 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Midori no Makibao - Kuroi Inazuma Shiroi Kiseki Model SLPS-01312 | 1998 | Axela |
| PC/MS-Windows CD | Mig 29 Fulcrum | 1998 | NovaLogic |
| PC/MS-Windows CD | MiG-29 Fulcrum | 1998 | NovaLogic |
| PC/MS-Windows CD | Might and Magic VI - The Mandate of Heaven Model 5005-01-005 | 1998 | New World Computing, Inc. |
| Famiclones cart. | Mighty Morphin Power Rangers III Model JY-059 | 1998 | JY Co. |
| Sony PlayStation CD |  Mikagura Shoujo Tanteidan + Neko Zamurai - Taikenban CD-ROM Model SLPM-80283 | 1998 | Human Ent. Japan |
| Sony PlayStation CD | Mikagura Shoujo Tanteidan Model SLPS-01611~4 | 1998 | Human Ent. Japan |
| Nintendo 64 cart. | Mike Piazza's StrikeZone | 1998 | GT Interactive Soft. Corp. NY, USA |
| Redemption mechanical game | Mini Dunxx | 1998 | ICE Innovative Concepts in Ent. Buffalo, NY, USA |
| Nintendo Game Boy Cart. | Mini Yonku GB Let's & Go! All-Star Battle Max Model DMG-AAMJ-JPN | 1998 | ASCII Corp. Japan |
| Nintendo Super Famicom cart. | Mini Yonku Let's & Go! Power WGP 2 Model SHVC-BM4J-JPN | 1998 | Nintendo Co., Ltd. Japan |
| Sega Sawatte Pico book | Minna Oideyo! Sanrio Puroland | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sony PlayStation CD | Miracle Jim no Bassing Beat Model SLPS-01227 | 1998 | Hearty Robin |
| Sony PlayStation CD | Miracle Jumpers Model SLPS-01224 | 1998 | Bandai Co., Ltd. Japan |
| Sony PlayStation CD | MiruMiru PlayStation Vol. 28 Model PCPX-96132 | 1998 | Unknown |
| Sony PlayStation CD | MiruMiru PlayStation Vol. 29 Model PCPX-96139 | 1998 | Unknown |
| Sony PlayStation CD | MiruMiru PlayStation Vol. 31 Model PCPX-96144 | 1998 | Unknown |
| Sony PlayStation CD | MiruMiru PlayStation Vol. 34 Model PCPX-96155 | 1998 | Unknown |
| Sony PlayStation CD | Misa no Mahou Monogatari Model SLPS-01274~5 | 1998 | Sammy Corp. Japan |
| Sony PlayStation CD | Misa no Mahou Monogatari Model SLPS-01276~7 | 1998 | Sammy Corp. Japan |
| Sony PlayStation CD | Misaki-Aggressive! Model SLPS-01474 | 1998 | Shoeisha Co., Ltd. Japan |
| PC/MS-Windows CD | Missing in Action | 1998 | GT Interactive Soft. Corp. NY, USA |
| Nintendo 64 cart. | Mission: Impossible Model NUS-NMIE-USA | 1998 | Infogrames Ent., Inc. CA, USA 20295 |
| Sony PlayStation CD | Missland 2 Model SLPS-01715 | 1998 | Altron Corp. |
| Sony PlayStation CD | Mitsumete Knight R - Daibouken Hen Model SLPM-86134 | 1998 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Mitsumete Knight Model SLPM-86068 | 1998 | Konami Co., Ltd. Japan |
| Sega Saturn CD | Mizubaku Daibouken Model T-19910G | 1998 | Ving Japan |
| Sega Saturn CD | Mizuki Shigeru no Youkaizukan Soushuuen | 1998 | ASK Kodansha Co., Ltd. Japan |
| Sony PlayStation CD | Mizzurna Falls Model SLPS-01783 | 1998 | Human Ent. Japan |
| Sony PlayStation CD | MLB 99 Model SCUS-94233 | 1998 | Sony Computer Ent. America SCEA CA, USA |
| Sony PlayStation CD | Mobile Suit Gundam - Char's Counterattack Model SCPS-45349 | 1998 | Bandai Co., Ltd. Japan |
| Sony PlayStation CD | Mobile Suit Gundam - Char's Counterattack Model SCPS-45362 | 1998 | Bandai Co., Ltd. Japan |
| Sony PlayStation CD | Mobile Suit Gundam - Char's Counterattack Model SLPS-01724 | 1998 | Bandai Co., Ltd. Japan |
