| Nintendo Game Boy Cart. |  Harvest Moon GB Model DMG-AYWE-USA | 1998 | Natsume, Inc. Burlingame, CA, USA |
| Nintendo Game Boy Color cart. |  Harvest Moon GB Model DMG-AYXD-NOE | 1998 | Nintendo of Europe GmbH 45496 |
| Nintendo Game Boy Color cart. | Harvest Moon GB Model DMG-AYXE-USA | 1998 | Natsume, Inc. Burlingame, CA, USA |
| Nintendo Game Boy Color cart. | Harvest Moon GB Model DMG-AYXP-EUR | 1998 | Nintendo of Europe GmbH 45496 |
| Sharp X68000 Series 5.25in. disk | Hatenkou | 1998 | Haiteidoradorazu |
| Sega Saturn CD | Hatsukoi Monogatari | 1998 | Tokuma Shoten Intermedia, Inc. Japan |
| Sony PlayStation CD | Hatsukoi Valentine Special Model SLPS-01452 | 1998 | Family Soft. Japan |
| PC/MS-Windows CD | Hatsune No Naishou | 1998 | Leaf Japan |
| Nintendo Game Boy Cart. | Hayaoshi Quiz - Ouza Ketteisen Model DMG-AQZJ-JPN | 1998 | JALECO Co., Ltd. Japan |
| PC/MS-Windows CD | Hazard | 1998 | SKC, Ltd. Korea |
| Sony PlayStation CD | Head to Toe 1 Model LSP-990131 | 1998 | Lightspan Partnership, The |
| Sony PlayStation CD | Head to Toe 2 Model LSP-990132 | 1998 | Lightspan Partnership, The |
| Sony PlayStation CD | Head to Toe 3 Model LSP-990133 | 1998 | Lightspan Partnership, The |
| Sony PlayStation CD | Head to Toe 4 Model LSP-990134 | 1998 | Lightspan Partnership, The |
| PC/MS-Windows CD | Headrush | 1998 | Bandai Co., Ltd. Japan |
| PC/MS-Windows CD | Heart of Darkness | 1998 | Interplay |
| Sony PlayStation CD |  Heart of Darkness Demo Model SLED-01351 | 1998 | Infogrames Distribution 014762 |
| PC/MS-Windows CD | Heart of Darkness Model HEARTAL5511 | 1998 | Ocean Europe, Ltd. |
| PC/MS-Windows CD | Heart of Darkness Model HEARTFR5511 | 1998 | Ocean Europe, Ltd. |
| PC/MS-Windows CD | Heart of Darkness Model HEARTGB5511 | 1998 | Ocean Europe, Ltd. |
| PC/MS-Windows CD | Heart of Darkness Model HEARTIT5511 | 1998 | Ocean Europe, Ltd. |
| Sony PlayStation CD | Heart of Darkness Model SLES-00461/10461 | 1998 | Infogrames Europe 546430 |
| Sony PlayStation CD | Heart of Darkness Model SLES-00462/10462 | 1998 | Infogrames Distribution 014762 |
| Sony PlayStation CD | Heart of Darkness Model SLES-00463/10463 | 1998 | Infogrames Distribution 014762 |
| Sony PlayStation CD | Heart of Darkness Model SLES-00464/10464 | 1998 | Infogrames Distribution 014762 |
| Sony PlayStation CD | Heart of Darkness Model SLES-00465/10465 | 1998 | Infogrames Distribution 014762 |
| Sony PlayStation CD | Heart of Darkness Model SLUS-00696/00741 | 1998 | Interplay |
| PC/MS-Windows CD | Heart of Darkness Model TORM-6227 | 1998 | Toshiba EMI Japan |
| Pachislot | Heat | 1998 | Yamasa Japan |
| Arcade Video game | Heat of Eleven '98 | 1998 | Konami Co., Ltd. Japan |
| PC/MS-Windows CD | HEDZ | 1998 | Hasbro Interactive, Inc. |
| Nintendo Super Famicom cart. | Heiwa Parlor! Mini 8 Model SHVC-AQUJ-JPN | 1998 | Telenet Japan |
| Arcade Video game | Hell Night | 1998 | Konami Co., Ltd. Japan |
| Sony PlayStation CD | Hello Kitty - White Present Model SLPS-01766 | 1998 | Hudson Soft. Hudson Group Japan |
| Sony PlayStation CD | Hello Kitty no Cube De Cute Model SLPS-01427 | 1998 | Culture Publishers |
| Sony PlayStation CD | Herc's Adventures - Hercules no Daibouken Model SLPS-01061 | 1998 | BPS Bullet-Proof Soft. Japan |
| Arcade Video game | Hercules in the Underworld | 1998 | Disney Parks and Resorts, Inc., Walt |
| PC/MS-Windows CD | Heretic II | 1998 | Activision, Inc. Los Angeles, CA, USA 47875 |
| Sony PlayStation CD | Heroine Dream 2 Model SLPS-01376 | 1998 | Map Japan |
| Sony PlayStation CD | Hexen - Beyond Heretic Model SLPS-00972 | 1998 | GameBank |
