| Redemption mechanical game |  Dream Palace II | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD |  Dream Preview Vol. 1 Model 610-7027-01 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 2 Model 610-7027-02 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 3 Model 610-7027-03 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 4 Model 610-7027-04 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 5 Model 610-7027-05 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 6 Model 610-7027-06 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 7 Model 610-7027-07 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dream Preview Vol. 8 Model 610-7027-08 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Redemption mechanical game | Dream Town | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Extra | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 1 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 2 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 3 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 4 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 5 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 6 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Express Vol. 7 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Middleware Conference Demo Disc Part 2 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamcast Promotion Disk | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Dreamstud!o - 3D Adventure Construction Model HDR-0114 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Coin-op Misc. game | Drivemobile | 1968 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega SG-1000 game | Drol Model C-51 | 1985 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Gun game | Duck Hunt | 1969 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Duck Shoot | 1975 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Duke Nukem 3D | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Duke Nukem 3D Model 81071 | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Dump Matsumoto Model 317-0011a | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega CD | Dungeon Explorer Model 4657 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega SC-3000 cass. | Dungeons Beneath Cairo | 1984 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Dunk Kids Model G-3352 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Dunk Shot Model 317-0022 | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Channel pack. | Dyna Brothers 2 - Sega Channel Special | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega System 24 disk | Dynamic C.C. - Dynamic Country Club | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Dynamic Country Club Model G-6017 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Dynamite Baseball | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Dynamite Baseball '97 | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | Dynamite Baseball '99 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | Dynamite Baseball NAOMI | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game |  Dynamite Cop Model 2A | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
