| Sega Saturn CD |  World Advanced Daisenryaku - Sakusen File Model GS-9082 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | World Championship Soccer II | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | World Championship Soccer Model 21 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. |  World Class Leader Board Model 2406-50 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | World Class Leader Board Model 2406 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | World Cup | 1978 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Cup France '98 - Road to Win Model GS-9196 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | World Cup Italia '90 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | World Cup Italia '90 Model 5084 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | World Cup Soccer Model G-4009 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | World Cup USA 94 Model 29028-50 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | World Games Model 5114) | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | World Grand Prix Model MK-5080-50 | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. |  World Heroes | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World League Soccer '98 Model MK81181-50 | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | World of Illusion - Fushigi na Magic Box Model G-4080 | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | World of Illusion Starring Mickey Mouse and Donald Duck | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | World Series 99 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | World Series Baseball | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | World Series Baseball '95 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Series Baseball '98 Model 81127 | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Series Baseball II Model 81113 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Series Baseball II Model GS-9120 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Series Baseball II Model MK81113-50 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Series Baseball Model 81109 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | World Series Baseball Model MK81109-50 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | World Soccer Model G-1327 | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | World Soccer Model MK-5059-50 | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| PC/MS-Windows CD | Worldwide Soccer '98 | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Worldwide Soccer - Sega International Victory Goal Edition Model 81105 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Wrestle War Model 1206-50 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Wrestle War Model 317-0090 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Wrestle War Model 317-0102 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Wrestle War Model 317-0103 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Wrestle War Model 48 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Wrestle War Model G-4055 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | WWF Royal Rumble Model 840-0040C | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | X-JAPAN Vitual Shock 001 Model GS-9023 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | X-Men - Gamemaster's Legacy Model 2531-50 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | X-Men - Gamemaster's Legacy Model 2531 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
