| Slot Machine |  Double Bucks 3-Coin Multiplier | 1998 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Double Desire Model 289A | 1998 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Double Desire Model 289B | 1998 | IGT International Game Technologies Reno, NV, USA |
| Pachislot | Double Diamond | 1998 | IGT-Japan KK Japan |
| Slot Machine | Double Double Dollars Model 237B | 1998 | IGT International Game Technologies Reno, NV, USA |
| PC/MS-Windows CD | Double Face | 1998 | Janis Computer Soft., Inc. Japan |
| Strength Tester | Double Punch | 1998 | Dongmyeong |
| Pachislot | Double Up | 1998 | Bellco Corp. Japan |
| Pachislot | Double Up 30-Pai | 1998 | Bellco Corp. Japan |
| Slot Machine | Double Wild 3-Coin | 1998 | IGT International Game Technologies Reno, NV, USA |
| Slot Machine | Double Wild Model 260A | 1998 | IGT International Game Technologies Reno, NV, USA |
| Sega Saturn CD | Doukoku Soshite... | 1998 | Data East Corp. Japan |
| Sony PlayStation CD | Doukyuu - Billiard Master Model SLPS-01385 | 1998 | ASK Kodansha Co., Ltd. Japan |
| Sony PlayStation CD | Downhill Snow Model SLPS-01391 | 1998 | Victor Interactive Soft., Inc. |
| Slot Machine | Dozens of Diamonds | 1998 | IGT International Game Technologies Reno, NV, USA |
| Pachislot | Dr. A7 | 1998 | Yamasa Japan |
| Nintendo Super Famicom cart. | Dr. Mario Model SHVC-BDMJ-JPN | 1998 | Banpresto Japan |
| Sega Saturn CD | Dragon Force II - Kamisarishi Daichi ni Model GS-9184 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Nintendo Game Boy Color cart. | Dragon Quest Monsters - Terry no Wonderland Model DMG-ADQJ-JPN | 1998 | Enix, Ltd. Japan |
| Sony PlayStation CD | Dragon Seeds - Saishuu Shinka Keitai Model SLPS-01514 | 1998 | JALECO Co., Ltd. Japan |
| Sony PlayStation CD |  Dragon Seeds Model SLUS-00734 | 1998 | JALECO USA, Inc. USA |
| Nintendo 64 cart. | Dragon Sword | 1998 | Blitzgames |
| IGS PGM cart. | Dragon World 3 | 1998 | IGS Co., Ltd. International Game System |
| IGS PGM cart. | Dragon World 3 EX | 1998 | IGS Co., Ltd. International Game System |
| PC/MS-Windows CD | Dragon's Dream | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| DVD Player game | Dragon's Lair | 1998 | Digital Leisure |
| Sony PlayStation CD | Dream Generation - Koi ka? Shigoto ka!? Model SLPS-01482 | 1998 | NCS Corp. Nippon Computer Systems Japan |
| Sega Saturn CD | Dream Generation - Koi ka? Shigoto ka!? Model T-2511G | 1998 | NCS Corp. Nippon Computer Systems Japan |
| Fruit Machine | Dream Machine Model 6883 | 1998 | ELAM Group Veldhoven, Netherlands |
| Redemption mechanical game | Dream Rail Lovely | 1998 | NMK |
| Arcade Video game | Dream Touch Competition | 1998 | Sisteme |
| Amstrad CPC 464 disk | Dreamend Demo Hb | 1998 | Unknown France |
| Sony PlayStation CD | Dreams Model SLES-00714 | 1998 | Cryo Interactive Ent. |
| PC/MS-Windows CD | Droiyan Next | 1998 | KS Media Korea |
| Atari ST disk | Drops | 1998 | Motelsoft |
| Sony PlayStation CD | Druid - Yamie no Tsuisekisha Model SLPS-01246 | 1998 | KOEI Co., Ltd. Japan |
| Sega Saturn CD | Druid - Yamie no Tsuisekisha Model T-7670G | 1998 | KOEI Co., Ltd. Japan |
| Nintendo 64 cart. | Dual Heroes | 1998 | Hudson Soft. Hudson Group Japan |
| Sony PlayStation CD |  Duke Nukem - Time to Kill - Demo Model SLUS-90036 | 1998 | GT Interactive Soft. Corp. NY, USA |
| Sony PlayStation CD | Duke Nukem - Time to Kill - Trade Demo Model SLUS-80583 | 1998 | GT Interactive Soft. Corp. NY, USA |
