| 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 Saturn CD | Rampo | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Ranger-X Model 1076-50 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Ranran Melody Model AI-4116 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Rastan Model MK-7022-50 P | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Razzmatazz | 1982 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Ready 2 Rumble Boxing Model HDR-0051 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Dreamcast GD | Red Dog - Superior Firepower Model MK-51021-50 | 2000 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Regulus Model 834-5328 | 1983 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Renegade Model 7116 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Rent a Hero Model G-5508 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Repulse | 1985 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Master System cart. | Rescue Mission Model 5106 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Resident Evil Model MK81092-50 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Ribbit! Gana no Sono | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Richard Scarry's - El Día Más Ajetreado de las Vidas de Felipe y Gusy Model 49028-06 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Richard Scarry's - Huckle and Lowly's Busiest Day Ever Model 49028-00 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Richard Scarry's - La Giornata Indaffaratissima di Sandrino e Zigo-Zago Model 49028-13 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Richard Scarry's - Une Journee Bien Remplie pour Cassis et Asticot Model 49028-09 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Pico game | Richard Scarry's - Viel zu tun fu?r Huckleberry und Egon. Model 49028-18 | 199? | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Richard Scarry's Busytown | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Meganet pack. | Riddle Wired - Quiz Dokusen Kigyou no Houkai 8-gatsu Vol. 1 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Gun game | Rifleman | 1967 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Riglordsaga 2 | 1996 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Riglordsaga Model GS-9021 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega NAOMI cart. | Ring Out 4x4 | 1999 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Riot City | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Rise of the Dragon - A Blade Hunter Mystery Model G-6002 | 1992 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ristar - The Shooting Star Model 2543 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Game Gear cart. | Ristar - The Shooting Star Model G-3365 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Ristar - The Shooting Star Model G-4126 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega Drive cart. | Ristar Model 1555-50 | 1995 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Saturn CD | Riven - The Sequel to Myst | 1998 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Road Avenger Model 4603 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Road Race | 1976 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Pinball | Robin Hood | 1974 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega AI Computer cart. | Robinson Land Model AI-4052 | 1988 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Robo Aleste Model 4416 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Arcade Video game | Robo Wres 2001 | 1986 | SEGA Enterprises, Ltd. Tokyo, Japan |
