| Apple II 5.25 disk |  Dogs and Puppies | 1984 | Troll Associates |
| Sharp MZ-80K type-in | Doki Doki Drive | 1984 | Dempa Shinbunsha Japan |
| Sharp X1 type-in | Dokuro House | 1984 | Dempa Shinbunsha Japan |
| NEC PC-9801 Series type-in | Dolgano no Tou | 1984 | Dempa Shinbunsha Japan |
| Commodore C64 disk | Dolmetscher | 1984 | Markt & Technik |
| Acorn BBC/Electron cass. | Dominoes | 1984 | Garland Computing |
| Sharp PC-1500a type-in | Dominos | 1984 | Shift Editions Paris, France |
| Sharp X1 5.25in. disk | Don Juan | 1984 | DB-SOFT Japan |
| Tangerine Oric 1 cass. | Don Juan | 1984 | No Man's Land France |
| NEC PC-8801 Series disk | Don Juan Model N3-G9102 | 1984 | DB-SOFT Japan |
| Sharp X1-D 3in. disk | Don Juan Model S6-G4102 | 1984 | DB-SOFT Japan |
| Tangerine Oric 1 cass. | Don Juans et Dragueurs | 1984 | Ere Informatique Paris, France |
| Tangerine Oric 1 cass. | Don't Press the Letter Q | 1984 | IJK Soft., Ltd. |
| Commodore C64 cass. | Don't Shoot That Word! | 1984 | Hayden Soft. |
| Commodore C64 disk | Donald Duck's Playground | 1984 | Sierra On-Line, Inc. USA 20626 |
| Canon X-07 type-in | Donjon | 1984 | Shift Editions Paris, France |
| HP-41C soft. | Donjon de la Mort | 1984 | Shift Editions Paris, France |
| Sharp PC-1251 type-in | Donjon et dragons | 1984 | Shift Editions Paris, France |
| Canon X-07 type-in | Donkey King | 1984 | Shift Editions Paris, France |
| HP-41C soft. | Donkey King | 1984 | Shift Editions Paris, France |
| Commodore VIC-20 type-in | Donkey King | 1984 | Fontana Paperbacks |
| Coleco Adam cass. | Donkey Kong | 1984 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Coleco Adam disk | Donkey Kong P | 1984 | Coleco Industries, Inc. Amsterdam, NY, USA |
| NEC PC-6601 Series disk | Donkey Kong 3 - Dai Gyakushuu Model I4-1007 | 1984 | Hudson Soft. Hudson Group Japan |
| Sharp X1 5.25in. disk | Donkey Kong 3 - Dai Gyakushuu Model XT-2011 | 1984 | Hudson Soft. Hudson Group Japan |
| NEC PC-8801 Series disk | Donkey Kong 3 - Dai Gyakushuu Model YA-2007 | 1984 | Hudson Soft. Hudson Group Japan |
| Tabletop game | Donkey Kong 3 Model AK-302 | 1984 | Nintendo Co., Ltd. Japan |
| Nintendo Famicom cart. | Donkey Kong 3 Model HVC-DT | 1984 | Nintendo Co., Ltd. Japan |
| Handheld game | Donkey Kong Circus Model MK-96 | 1984 | Nintendo Co., Ltd. Japan |
| Handheld game | Donkey Kong Hockey Model HK-303 | 1984 | Nintendo Co., Ltd. Japan |
| Coleco Adam disk | Donkey Kong Junior P | 1984 | Coleco Industries, Inc. Amsterdam, NY, USA |
| Toshiba Pasopia Mini type-in | Donkey Kong Mini | 1984 | Dempa Shinbunsha Japan |
| TRS-80 CoCo cart. | Donpan | 1984 | Tandy Corp. |
| TRS-80 disk | Donut Dilemma | 1984 | Fun Division |
| Sinclair ZX Spectrum cass. | Doomdark's Revenge | 1984 | Beyond Soft. |
| Sharp MZ-80B type-in | Door | 1984 | Dempa Shinbunsha Japan |
| NEC PC-6001 Series cass. | Door Door mkII Model E-G068 | 1984 | Enix, Ltd. Japan |
| Sharp MZ-1500 Quick disk | Door Door mkII Model E-G112 P | 1984 | Enix, Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Door Door Model E-G060 P | 1984 | Enix, Ltd. Japan |
| Sharp X1 cass. | Door Door Model E-G070 P | 1984 | Enix, Ltd. Japan |
