| Sega System 24 disk |  Gain Ground | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Galactic Protector Model G-1348 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Galaxy Force | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Galaxy Force II Deluxe model | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Galaxy Force II Super Deluxe model | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. |  Global Defense Model MK-5102-50 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Gulliver Pocket Model AI-4055 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Hoshi wo Sagashite... Model G-1354 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega System 24 disk | Hot-Rod | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Juuouki Model 317-0065 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Juuouki Model G-4001 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Kenseiden Model G-1358 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Kenseiden Model MK-7013-50 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Kujaku Ou Model G-1366 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Lord of Sword Model G-1361 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Maou Golvellius Model G-1363 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Maze Hunter 3-D Model 8003 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Maze Walker Model G-1345 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Megumi Rescue Model G-1359 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Monopoly Model 5500 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Mozart Academy Model AI-4056 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | Nekkyuu Koushien Model G-1367 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Ocean Fantasy Model AI-4059 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Osomatsu-kun Hachamecha Gekijou Model G-4005 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Passing Shot Model 317-0070 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game |  Passing Shot Model 317-0071 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Passing Shot Model 317-0074 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Passing Shot Model 317-0080 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Penguin Land Model 5501 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Phantasy Star Model 9500 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Poseidon Wars 3-D Model MK-8006-50 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Power Drift Deluxe Sit-Down model | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Power Drift Sit-Down model | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Power Drift Upright model | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Power Strike Model 5109 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mark III cart. | R*Type Model G-1364 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | R*Type Model MK-9002-50 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Rambo III Model MK-7015-50 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Rampage Model 27005 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Ranran Melody Model AI-4116 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
