| Bally Astrocade type-in |  Cubic Rub | 1984 | Fabris, Robert San Jose, CA, USA |
| Thomson MO5 cass. | Cubomagique | 1984 | Hatier |
| Atari 400/800 cass. | Cubomagique | 1984 | Hatier |
| Tangerine Oric 1 cass. | Cubomagique | 1984 | Hatier |
| MSX type-in | Cuckoo & Calsa | 1984 | Dempa Shinbunsha Japan |
| Sinclair ZX Spectrum cass. | Cuddles | 1984 | 8th Day Soft. Liverpool, England |
| Applied Technology Microbee disk | Cunning Running | 1984 | Wiley, Jacaranda |
| Sinclair ZX Spectrum cass. | Cup and Bowl | 1984 | Griffin Soft. |
| NEC PC-9801 Series type-in | Cup-kun no Arubaito Part 1 | 1984 | Dempa Shinbunsha Japan |
| NEC PC-8001mkII type-in | Cupid | 1984 | Dempa Shinbunsha Japan |
| Arcade Video game | Curve Ball GV-134 | 1984 | Mylstar Electronics, Inc. Northlake, IL, USA |
| Acorn Electron cass. | Custard Pie Fight | 1984 | Comsoft |
| Epson HC-20 type-in | Customs Tennis | 1984 | Dempa Shinbunsha Japan |
| Commodore C64 type-in | CUT-OFF! | 1984 | Compute! Publications, Inc. |
| Commodore VIC-20 type-in | Cut-Off! | 1984 | Compute! Publications, Inc. |
| Dragon disk | Cuthbert Goes Walkabout | 1984 | Microdeal |
| Atari 400/800 cass. | Cuthbert Goes Walkabout | 1984 | Microdeal |
| Atari 400/800 disk | Cuthbert Goes Walkabout | 1984 | Microdeal |
| Dragon cass. | Cuthbert in Space | 1984 | Microdeal |
| Dragon disk | Cuthbert in Space | 1984 | Microdeal |
| Coleco Adam disk | Cutthroats | 1984 | Infocom, Inc. MA, USA 51051 |
| Infocom Z-Machine code |  Cutthroats Ver.23 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple II 5.25 disk | Cutthroats Model IA3-AP1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Apple Macintosh disk | Cutthroats Model IA3-AP2 | 1984 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | Cutthroats Model IA3-AT1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore C64 disk | Cutthroats Model IA3-CO1 | 1984 | Infocom, Inc. MA, USA 51051 |
| IBM PC 5.25in. disk | Cutthroats Model IA3-IB1 | 1984 | Infocom, Inc. MA, USA 51051 |
| Amstrad CPC/PCW disk | Cutthroats Model UQD-IA3 | 1984 | Infocom, Inc. MA, USA 51051 |
| Commodore VIC-20 type-in | Cyba City | 1984 | Moderne Verlags-Gesellschaft |
| Thomson MO5/TO7 cass. | Cyberlab Model CY1 006 | 1984 | TO TEK Editions France |
| Sinclair ZX Spectrum cass. | Cybertanks | 1984 | Star Dreams |
| Acorn BBC/Electron cass. | Cybertron Mission | 1984 | Micro Power, Ltd. |
| Commodore C64 cass. | Cybertron Mission | 1984 | Micro Power, Ltd. |
| Sinclair ZX Spectrum cass. | Cybo Run | 1984 | Calisto |
| Sinclair ZX Spectrum cass. | Cybo Run | 1984 | Dixons |
| Apple Macintosh disk | Cyborg | 1984 | Broderbund Soft., Inc. CA, USA 47956 |
| HP-150 soft. | Cyborg | 1984 | Hewlett-Packard |
| Commodore C64 cass. | Cybotron | 1984 | Anirog Soft., Ltd. |
| Arcade Video game | Cycle Mahbou | 1984 | Taito Corp. Japan |
| Jupiter Ace cass. | Cygnus | 1984 | Boldfield Computing |
