| MSX 2 disk |  Human Boming | 1998 | TM & Zap Japan |
| MSX 2 disk | Kokuhaku - Declare | 1998 | Unknown Japan |
| MSX 2 disk | Magical Labyrinth Remix | 1998 | Unknown Japan |
| MSX 2 disk | Moon Landing | 1998 | Unknown Japan |
| MSX 2 disk | Nuts | 1998 | Unknown Spain |
| MSX 2 disk | Tarotika Voodoo | 1998 | Unknown Japan |
| NEC PC-FX game | Angelique - Tenkuu no Requiem Model FXNHE846 | 1998 | NEC Home Electronics, Ltd. |
| NEC PC-FX game | Animefreak FX Vol. 6 Model FXNHE845 | 1998 | NEC Home Electronics, Ltd. |
| NEC PC-FX game | First Kiss Story Model FXNHE801 | 1998 | NEC Home Electronics, Ltd. |
| NEC PC-FX game | Makeruna! Makendou Z Model FXNHE744 | 1998 | NEC Home Electronics, Ltd. |
| NEC PC-FX game | Rururi Ra Rura Model FXNHE627 | 1998 | NEC Home Electronics, Ltd. |
| NEC PC-FX game | Sotsugyou - Graduation Real Model FXNAV602 | 1998 | NEC Avenue, Ltd. Japan |
| NEC PC-FX game | Tekipaki - Working Love FX | 1998 | NEC Home Electronics, Ltd. |
| SNK Neo-Geo MVS cart. | Bakumatsu Rouman Dai-ni Maku - Gekka no Kenshi: Tsuki ni Saku Hana, Chiriyuku Hana Model NGM-243 | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| SNK Neo-Geo MVS cart. | Battle Flip Shot | 1998 | Visco Corp. Kyoto, Japan |
| SNK Neo-Geo MVS cart. | Blazing Star Model NGM-239 | 1998 | Yumekobo Tokyo, Japan |
| SNK Neo-Geo MVS cart. | Breaker's Revenge Model NGM-245 | 1998 | Visco Corp. Kyoto, Japan |
| SNK Neo-Geo MVS cart. | Metal Slug 2 - Super Vehicle-001/II Model NGM-241 | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| SNK Neo-Geo MVS cart. |  Neo Pool Masters | 1998 | Nazca Corp. Japan |
| SNK Neo-Geo MVS cart. | NeoGeo Cup '98 - The Road to the Victory Model NGM-244 | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| SNK Neo-Geo MVS cart. | Real Bout Garou Densetsu 2 - The Newcomers Model NGM-240 | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| SNK Neo-Geo MVS cart. | Shock Troopers - 2nd Squad Model NGM-246 | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| SNK Neo-Geo MVS cart. | The King of Fighters '98 - The Slugfest Model NGM-242 | 1998 | SNK Corp. Shin Nihon Kikaku Japan |
| Thomson TO disk | Compilation | 1998 | Prehis-To |
| Thomson MO5 cass. | Pac-man | 1998 | Coulom, Remi |
| Sega ST-V cart. | Astra SuperStars Model 610-0374-90 | 1998 | SUNSOFT Kounan, Japan |
| Sega ST-V cart. | Cotton Boomerang - Magical Night Dreams Model 610-0374-121 | 1998 | Success Japan |
| Sega ST-V cart. |  Elan Doreé - Legend of Dragoon | 1998 | Sai-Mate, Ltd. Japan |
| Sega ST-V cart. | Guardian Force Model 610-0374-95 | 1998 | Success Japan |
| Sega ST-V cart. | Name Club Disney | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega ST-V cart. | Othello Shiyouyo | 1998 | Success Japan |
| Sega ST-V cart. | Radiant Silvergun Model 610-0374-98 | 1998 | Treasure |
| Sega ST-V cart. | Steep Slope Sliders | 1998 | Capcom Co., Ltd. Japan |
| Sega ST-V cart. | Tecmo World Cup '98 Model 610-0374-89 | 1998 | Tecmo, Ltd. Tokyo, Japan |
| Sega ST-V cart. | Tecmo World Soccer '98 | 1998 | Tecmo, Ltd. Tokyo, Japan |
| Sega ST-V cart. | Touryuu Densetsu Elan Doreé Model 610-0374-126 | 1998 | Sai-Mate, Ltd. Japan |
| Sega ST-V cart. | Virtual Mahjong 2 - My Fair Lady | 1998 | Micronet Co., Ltd. Japan |
| Sega ST-V cart. | Wanpaku Safari | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | 7's Royal | 1998 | Powerhouse Technologies |
| Slot Machine | 7's Wild | 1998 | Powerhouse Technologies |
