| Sega Master System cart. |  G-LOC Air Battle Model 7071 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. |  Gain Ground | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Gain Ground Model G-4036 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Galaga 2 Model 2322 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ganbare Gorby! Model G-3210 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Golden Axe II Model 1122-50 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Golden Axe II Model 57 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Golden Axe II Model G-4062 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Gynoug | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Halley Wars Model 013.500 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Halley Wars Model 2318 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game |  Hammer Away | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Heavyweight Champ Model 7063 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Meganet pack. | Hyper Marbles | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Meganet pack. | Ikazuse! Koi no Doki Doki Penguin Land MD | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Jewel Master Model G-4047 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Joe Montana II - Sports Talk Football Model 58 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Joe Montana's Football Model 2403 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | JuJu Densetsu Model G-4064 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Kinetic Connection Model G-3401 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Kuni-chan no Game Tengoku Model G-3303 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Laser Ghost Model 317-0164 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Laser Ghost Model 317-0165 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Laser Ghost Model 317-0166 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Laser Ghost Model 7074 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Lemmings Model 7108 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Limited Edition Hang-On | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Line of Fire Model 9006 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Slot Machine | M3004 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Mario Lemieux Hockey Model 59 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Meganet pack. | Medal City | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Meganet pack. | MegaMind | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Mercs Model 1119-50 P | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Mickey Mouse no Castle Illusion Model G-3301 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Redemption mechanical game | New UFO Catcher | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | NHK Taiga Drama - Taiheiki Model G-5511 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Nikkan Sports Pro Yakyuu Van Model G-4522 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Ninja Burai Densetsu Model G-4524 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ninja Gaiden Model 2312 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ninja Gaiden Model G-3215 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
