| Arcade Video game |  M.V.P. Model 317-0142 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game |  M.V.P. Model 317-0143 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M3001 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M3002 | 19?? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M3003 | 19?? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M3004 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M4001 | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M4002 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M5001 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | Mad Money Type A | 1962 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | Mad Money Type B | 1962 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | Mad Money Type C | 1962 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | Mad Money Windsor Series | 19?? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Madou Monogatari I - 3-Tsu no Madoukyuu Model G-3410 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Madou Monogatari II - Arle 16-Sai Model G-3419 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Madou Monogatari III - Kyuukyoku Joou-sama Model G-3424 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Magic Crayons Model 49026-00 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Magic Knight Rayearth | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Magic Knight Rayearth 2 - Making of Magic Knight Model G-3429 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Magic Knight Rayearth Model G-3423 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Magical Drop II Model GS-9104 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Magical Hat no Buttobi Tabo! Daibouken Model G-4041 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Magical Taruruuto-kun Model G-4068 | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Magical Truck Adventure | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega ST-V cart. | Magical Zunou Power | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Mahjong Cop Ryuu - Shiro Ookami no Yabou | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Mahjong Sengoku Jidai Model G-1337 | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega SG-1000 game | Mahjong Model G-1004 | 1983 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Mahou Kishi Rayearth | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Major League | 1985 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Makai Retsuden Model G-1324 | 1987 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Maken X Model MK-51050-50 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Man TT | 1976 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Manx TT Super Bike | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Manx TT Super Bike | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Manx TT Super Bike | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Manx TT Super Bike Model 81210 | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| PC/MS-Windows CD | Manx TT Superbike | 1997 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Maou Golvellius Model G-1363 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Mario Lemieux Hockey Model 59 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
