| Tomy Tutor cart. |  Deep Six Model 8106 | 1983 | Tomy |
| Tangerine Oric 1 cass. | Defence Force | 1983 | Tansoft |
| Commodore VIC-20 type-in | Defend | 1983 | Pan Books |
| Commodore VIC-20 type-in | Defender | 1983 | Sunshine Publications |
| Atari 2800 cart. |  Defender | 1983 | Atari, Inc. CA, USA |
| Applied Technology Microbee cass. | Defender | 1983 | Mytek Computing |
| Tabletop game | Defender | 1983 | Gakken Japan |
| Commodore C64 cass. | Defender 64 | 1983 | Interceptor Soft. |
| Bally Astrocade type-in | Defender II | 1983 | Fabris, Robert San Jose, CA, USA |
| Colecovision cart. | Defender Model 70002 | 1983 | Atarisoft Atari, Inc. |
| Mattel Intellivision cart. | Defender Model 70252 P | 1983 | Atarisoft Atari, Inc. |
| IBM PC 5.25in. disk | Defender Model DX5504 | 1983 | Atarisoft Atari, Inc. |
| Apple II 5.25 disk | Defender Model DX5505 | 1983 | Atarisoft Atari, Inc. |
| Texas instrument TI-99/4A cart. | Defender Model RX8506 | 1983 | Atarisoft Atari, Inc. |
| Commodore VIC-20 cart. | Defender Model RX8507 | 1983 | Atarisoft Atari, Inc. |
| Commodore C64 cart. | Defender Model RX8508 | 1983 | Atarisoft Atari, Inc. |
| TRS-80 type-in | Defense | 1983 | SoftSide Publications, Inc. |
| Commodore VIC-20 type-in | Defense Base | 1983 | NET Soft. |
| Commodore C64 disk | Definition Match | 1983 | Commodore Educational Soft. |
| Atari 400/800 type-in | Deflector | 1983 | Compute! Publications, Inc. |
| Commodore VIC-20 type-in | Deflector | 1983 | Compute! Publications, Inc. |
| Texas instrument TI-99/4A type-in | Defuse | 1983 | EMAP East Midlands Allied Press |
| Tangerine Oric 1 cass. | Delta 4 | 1983 | Emerald Soft. |
| Atari 400/800 cart. | Deluxe Invaders | 1983 | Roklan |
| Spectravideo SV-318 cass. | Demo 5 | 1983 | SVI SpectraVideo, Inc. |
| Mattel Aquarius cass. | Demo Cassette | 1983 | Radofin Electronics Germany |
| Atari 2600 cart. | Demolition Herby Model 1006 | 1983 | Telesys Fremont, CA, USA |
| Atari 2600 cart. | Demolition Herby PAL Model 1006 | 1983 | Telesys Fremont, CA, USA |
| Magnavox Odyssey² cart. | Demon Attack | 1983 | Imagic, Inc. Los Gatos, CA, USA |
| IBM PCjr cart. | Demon Attack | 1983 | Imagic, Inc. Los Gatos, CA, USA |
| Brandt Jopac cart. | Demon Attack + Model JXT C07 | 1983 | TO TEK Editions France |
| Atari 2600 GameLine pack. |  Demon Attack Model 582 | 1983 | CVC Control Video Corp. |
| Commodore VIC-20 cart. | Demon Attack Model 720050-1A | 1983 | Tronix |
| Atari 2600 cart. | Demon Attack Model C-823 | 1983 | CCE Soft. Brazil |
| Texas instrument TI-99/4A cart. | Demon Attack Model PHM 3219 | 1983 | Imagic, Inc. Los Gatos, CA, USA |
| Sinclair ZX Spectrum cass. | Demon Chase | 1983 | Mansfield Computers & Electronics |
| Acorn BBC/Electron cass. | Demon Decorator | 1983 | Micro Power, Ltd. |
| Sinclair ZX Spectrum cass. | Demon Knight | 1983 | ASP Soft. |
| Dragon cass. | Demon Knight | 1983 | ASP Soft. |
| Fujitsu FM-7 cass. | Demon Roulette Model 491092-8 | 1983 | Takara Co., Ltd. Japan |
