| NEC PC-9801 Series 5.25in. disk |  Collector D Bangai-hen - Gokuraku Dainishi Chiku Sales Daisakusen 18 | 1993 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Crystal Rinal - Ouma no Meikyuu 18 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Cybernoid Alpha | 1995 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | D.O. Best Characters 18 | 199? | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | D.O. Doki Doki Disk Vol.1 | 1991 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | D.O. Doki Doki Disk Vol.7 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | D.O. Doki Doki Disk Vol.8 | 1995 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | D.O. Doki Doki Disk Vol.9 | 1995 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | D.O. Kaizokuban 18 | 1993 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | DOR 18 | 1992 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | DOR Part 2 18 | 1992 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | DOR Part 3 18 | 1992 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | DOR Special Edition '93 18 | 1993 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | DOR Special Edition Sakigake 18 | 1993 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Exterlien 18 | 1990 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Hoshi no Suna Monogatari 18 | 1991 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Hoshi no Suna Monogatari 2 18 | 1992 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Jedai | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Kaerimichi wa Kiken ga Ippai 18 | 1990 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Moonlight-chan Rin Shan | 1993 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Rouge no Densetsu 18 | 1996 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Touch My Heart | 1995 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Youjuu Club Custom 18 | 1991 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Youjuu Senki - A.D. 2048 18 | 1993 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Youjuu Senki 2 - Reimei no Senshi 18 | 1995 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 1 - Youjuu Senki Custom | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 2 - Exterlien Custom 18 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 3 - Kanako-san no Yuuutsu 18 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 4 - Crystal Rinal Otanoshimi Disk | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 5 - Telephone Scandal 18 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 6 - Heart de Ron!! Midnight Hen | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 8 - Cybernoid Alpha Yuu Disk Ban 18 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Yuu Disk Vol. 9 - Arquelphos Gekitou Hen | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Zatsuon Ryouiki 18 | 1994 | DO Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Zen Nihon Bishoujo Mahjong Senshuken Taikai - Heart de Ron!! 18 | 1994 | DO Corp. Japan |
| PC/MS-Windows CD | Beast War 2048 - Next | ???? | DO Corp. Japan |
| PC/MS-Windows CD | Branmarker 2 | 1997 | DO Corp. Japan |
| PC/MS-Windows CD | Cescendo | 2001 | DO Corp. Japan |
| PC/MS-Windows CD | Crescendo | 2001 | DO Corp. Japan |
| PC/MS-Windows CD | Crysweeper | 1996 | DO Corp. Japan |
