| Fujitsu FM Towns CD |  Daisenryaku III '90 | 1991 | Pegasus Japan |
| NEC PC-9801 Series 5.25in. disk | Daisenryaku III '90 - Kakuchou Editor Disk | 1991 | Takeru Co. Ltd Japan |
| NEC PC-9801/Sharp X68000 disk | Daisenryaku III '90 - Map Collection Vol. 2 | 1991 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 3.5in. disk | Daisenryaku III '90 - Map Collection Vol. 2 | 1991 | SystemSoft Corp. Japan |
| NEC PC-9801 Series 5.25in. disk | Daisenryaku III '90 - Players Pack Vol. 1 | 1991 | ABA Japan |
| NEC PC-9801 Series 5.25in. disk | Daisenryaku III '90 - Players Pack Vol. 2 | 1991 | ABA Japan |
| Nintendo Game Boy Cart. | Daisenryaku Model DMG-HDJ | 1991 | Hiro Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Daitoua Mokushiroku - Gou | 1991 | Telenet Japan |
| NEC PC-9801 Series 3.5in. disk | Daitoua Mokushiroku - Gou | 1991 | Telenet Japan |
| NEC PC-9801 Series 3.5in. disk | Daiyuugen Model R-3614~15 | 1991 | Office Koukan Japan |
| NEC PC-9801 Series 5.25in. disk | Daiyuugen Model R-5165~66 | 1991 | Office Koukan Japan |
| Amstrad CPC pack. |  Daley Thompson's Decathlon | 1991 | EDOS Electronic Distribution of Software |
| Commodore Amiga 500 disk | Daley Thompson's Olympic Challenge Model 510175 | 1991 | Hit Squad, The UK 13156 |
| Sharp X68000 Series 5.25in. disk | Damage Fight II+ | 1991 | Kazz Japan |
| Amstrad CPC pack. | Dan Dare II - Mekons Revenge | 1991 | EDOS Electronic Distribution of Software |
| MSX 2 disk | Dancing Mai | 1991 | Fairytale Japan |
| Amstrad CPC pack. | Dandy | 1991 | EDOS Electronic Distribution of Software |
| Amstrad CPC cass. | Danger Adventurer at Work | 1991 | WoW Soft. Witch Of Wessex |
| Sinclair ZX Spectrum cass. | Danger Adventurer At Work | 1991 | Guild, The |
| Amstrad CPC 464 disk | Danger Adventurer at Work | 1991 | WoW Soft. Witch Of Wessex |
| Commodore C64 disk | Danger Stones | 1991 | Markt & Technik |
| Sinclair ZX Spectrum cass. | Danger! Adventurer at Work! | 1991 | Guild, The |
| Commodore C64 disk | Danger! Adventurer at Work! | 1991 | Guild, The |
| IBM PC 3.5in. disk | Dangerous Dave II - Dangerous Dave in the Haunted Mansion | 1991 | Gamer's Edge |
| Arcade Video game | Danny Sullivan's Indy Heat | 1991 | Leland Corp., The El Cajon, CA, USA |
| MSX 2 disk | Dante - Yuushuu Sakuhin Cross Kingdom | 1991 | MSX Magazine Japan |
| Sharp X68000 Series 5.25in. disk | Darius - Dokomade Tatakaemasuka Hb | 1991 | Chinchilla Japan |
| Nintendo Super Famicom cart. | Darius Twin Model SHVC-DT | 1991 | Taito Corp. Japan |
| Nintendo Super NES cart. |  Darius Twin Model SNS-DT-USA | 1991 | Taito America Corp. Elk Grove Village, IL, USA |
| Nintendo Super NES cart. | Darius Twin Model SNSP-DT-EUR | 1991 | Taito Corp. Japan |
| IBM PC/AT DOS pack. | Dark Ages Vol. 1 - Prince of Destiny Sw | 1991 | Apogee Soft. |
| IBM PC/AT DOS pack. | Dark Ages Vol. 2 - The Undead Kingdom | 1991 | Apogee Soft. |
| IBM PC/AT DOS pack. | Dark Ages Vol. 3 - Dungeons of Doom | 1991 | Apogee Soft. |
| Sharp X68000 Series 5.25in. disk | Dark Castle | 1991 | Biwahosi Soft. |
| Sega Genesis cart. | Dark Castle Model 7034 | 1991 | Electronic Arts CA, USA 14633 |
| Amstrad CPC pack. | Dark Century Model 564 | 1991 | EDOS Electronic Distribution of Software |
| Atari ST pack. | Dark Century Model 564 | 1991 | EDOS Electronic Distribution of Software |
| IBM PC DOS pack. | Dark Century Model 564 | 1991 | EDOS Electronic Distribution of Software |
| IBM PC DOS pack. | Dark Century Model 918 | 1991 | EDOS Electronic Distribution of Software |
| Nintendo Famicom cart. | Dark Lord Model DFC-25 | 1991 | Data East Corp. Japan |
