| Spectravideo SV-318 cass. |  Circus Charlie Model RC 712 P | 1984 | Konami Industry Co., Ltd. Japan |
| MSX cart. | Circus Charlie Model RC712 P | 1984 | Konami Industry Co., Ltd. Japan |
| Commodore VIC-20 type-in | Citadel | 1984 | Sunshine Publications |
| Philips VG-5000 cass. | Citadelle | 1984 | Philips Corp. |
| Tangerine Oric 1 cass. | Citadelle | 1984 | Loriciels France |
| Tangerine Oric 1 cass. | Cite | 1984 | Loriciels France |
| Sinclair ZX Spectrum cass. | City Defence | 1984 | Hansesoft GmbH Germamy |
| Commodore C64 disk | City Fighter | 1984 | Mastertronic, Ltd. UK 012967 |
| Commodore C64 cass. | City Fighter | 1984 | Mastertronic, Ltd. UK 012967 |
| Commodore C64 type-in | City Terror | 1984 | Addison-Wesley Publishing Co., Inc. |
| Commodore VIC-20 type-in | City Terror | 1984 | Addison-Wesley Publishing Co., Inc. |
| Sinclair ZX Spectrum cass. | Cityfighter Model CS001 | 1984 | Choice Soft. |
| Acorn BBC/Electron cass. | Classic Adventure | 1984 | Melbourne House UK 015901 |
| Commodore C64 disk | Classic Adventure | 1984 | Melbourne House UK 015901 |
| Commodore C64 cass. | Classic Adventure | 1984 | Melbourne House UK 015901 |
| Amstrad CPC cass. | Classic Adventure Model SOFT 187 | 1984 | Abersoft |
| Acorn BBC Micro B cass. | Classic Compendium | 1984 | Database Soft. |
| Acorn Electron 3.5in. disk | Classroom Computing Vol.1 | 1984 | Database Publications |
| Acorn Electron 3.5in. disk | Classroom Computing Vol.2 | 1984 | Database Publications |
| Atari 800/TRS-80 cass. | Clear for Action Model 44601 | 1984 | Microcomputer Games |
| Atari 400/800 disk | Clear for Action Model 44653 | 1984 | Microcomputer Games |
| Sinclair ZX Spectrum cass. | Clerky | 1984 | Unique |
| Sharp PC-1500a type-in | Cliff Hanger | 1984 | Shift Editions Paris, France |
| Commodore C64 cass. | Cliff Hanger Model C103 | 1984 | New Generation Soft. |
| Amstrad CPC cass. | Climb-It | 1984 | Tynesoft Computer Soft. |
| Commodore C16 cass. | Climb-It | 1984 | Tynesoft Computer Soft. |
| Atari 400/800 disk |  Cloak and Dagger | 1984 | Atari, Inc. CA, USA |
| Sinclair ZX Spectrum type-in | Clown | 1984 | Shift Editions Paris, France |
| Nintendo Famicom cart. | Clu Clu Land Model HVC-CL | 1984 | Nintendo Co., Ltd. Japan |
| Commodore VIC-20 type-in | Club Smasher | 1984 | Virgin Books UK |
| Commodore C64 type-in | Club Squash | 1984 | Interface Publications |
| Bally Astrocade cass. | Club Tape #4: Yearly Misc. Income + She Loves You | 1984 | Michigan Astro Bugs |
| Bally Astrocade cass. | Club Tape #5: Star Base 11 + Collatz Conjecture | 1984 | Michigan Astro Bugs |
| Commodore C64 type-in | Clucky Chook | 1984 | Melbourne House UK 015901 |
| Tatung Einstein disk | Cluedo | 1984 | Leisure Genius |
| Commodore C64 cass. | Cluedo | 1984 | Leisure Genius |
| Atari 400/800 type-in | Clues | 1984 | ANALOG Computing |
| Texas instrument TI-99/4A type-in | Coal Pit | 1984 | Shift Editions Paris, France |
| Arcade Video game | Cobra Command | 1984 | Data East USA, Inc. |
| Arcade Video game kit | Cobra Command | 1984 | Data East USA, Inc. |
