| Arcade Video game |  Ninja Model 315-5102 | 1985 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. |  Ninku 2 - Tenkuuryuu e no Michi Model G-3376 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ninku Gaiden - Hiroyuki Daikatsugeki Model G-3377 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ninku Model G-3370 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Ninkuu - Tsuyokina Yatsura no Daigekitotsu! | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | Nittere Shiki! Mirai Yosou Studio | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Nomo's World Series Baseball Model G-3442 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Pinball | Nostalgia | 1977 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Nurie Daisuki! Dumbo no Wakuwaku Saakasu! Model HPC-6044 | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Ocean Fantasy Model AI-4059 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Ohsho Kamazawa Hachi Dan no Tsume Shogi | 1982 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Olympic Gold | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Olympic Gold Model G-3316 | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Omakase! Savers | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | On Dal Jang Goon | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Ongaku Daisuki Snoopy Model HPC-6030 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game |  OOPArts | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Opa Opa | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Opa Opa Model G-1343 | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Operation Wolf Model 7039 P | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega SG-1000 game | Orguss Model G-1015 | 1984 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Osomatsu-kun Hachamecha Gekijou Model G-4005 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega SG-1000 game | Othello Model G-1044 | 1985 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Out Run | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
| IBM PC 5.25+3.5in. disk | Out Run P | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Out Run 3-D Model 8007 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Handheld game | Out Run F-1 | 19?? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Out Run Deluxe Type | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Out Run Model 06 | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Out Run Model 1125-50 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Out Run Model 2310 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Out Run Model G-1326 P | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Out Run Model G-3213 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Out Run Model G-4052 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Out Run Model MK-7003-50 P | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Out Run Sega Ages Model GS-9110 P | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Out Runners | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | OutRun 2019 Model 1118-50 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | OutRunners Model G-4119 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | Outtrigger | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
