| Sega Mega-CD |  Wakusei Woodstock - Funky Horror Band Model G-6001 | 1991 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Warau Salesman Model G-6006 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Wing Commander Model G-6011 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Winning Post Model T-76044 | 1993 | KOEI Co., Ltd. Japan |
| Sega Mega-CD |  Wolfchild Model 4404 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Wolfchild Model T-60104 | 1993 | Victor Ent. Japan |
| Sega Mega-CD | Wonder Dog Model 4428 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Wonder Dog Model T-60074 | 1992 | Victor Musical Industries, Inc. Japan |
| Sega Mega-CD |  WonderMega Collection - Game Garden Model CDS-135 | 1992 | Victor Musical Industries, Inc. Japan |
| Sega Mega-CD | World Cup USA 94 Model T-79025-50 | 1994 | US Gold, Ltd. Birmingham, England 13442 |
| Sega Mega-CD | WWF Rage in the Cage Model T-81015-50 | 1993 | Arena Ent. |
| Sega Mega-CD | Yumemi Mystery Mansion Model 4430 | 1994 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Yumemi Yakata no Monogatari Hibaihin | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Yumemi Yakata no Monogatari Model G-6027 | 1993 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-CD | Yumimi Mix Model T-45034 | 1993 | Game Arts Co., Ltd. Japan |
