| Sharp X1 5.25in. disk |  Cruise Chaser - Blassty | 1986 | Square Co., Ltd. Japan |
| NEC PC-9801 Series 5.25in. disk | Cruise Chaser - Blassty | 1986 | Square Co., Ltd. Japan |
| NEC PC-8801 Series disk | Cruise Chaser - Blassty | 1986 | Square Co., Ltd. Japan |
| National JR-100 type-in | Crusader | 1986 | Dempa Shinbunsha Japan |
| Amstrad CPC 464 disk | Crystal Castles | 1986 | US Gold, Ltd. Birmingham, England 13442 |
| Acorn BBC Micro B disk | Crystal Castles | 1986 | US Gold, Ltd. Birmingham, England 13442 |
| Atari ST disk | Crystal Castles | 1986 | Atari Corp. CA, USA |
| Acorn Electron cass. | Crystal Castles | 1986 | US Gold, Ltd. Birmingham, England 13442 |
| Commodore C64 cass. | Crystal Castles | 1986 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Crystal Castles - Diamond Plateaus in Space | 1986 | US Gold, Ltd. Birmingham, England 13442 |
| Arcade Video game | Crystal Gal II Mahjong | 1986 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| Arcade Video game | Crystal Gal Mahjong | 1986 | Nichibutsu Nihon Bussan Co., Ltd. Osaka, Japan |
| Sharp X1 cass. | Crystal Prison Model TE-8616 | 1986 | Bothtec, Inc. Japan |
| NEC PC-8801 Series disk | Crystal Prison Model VE-8616 | 1986 | Bothtec, Inc. Japan |
| Atari 400/800 cass. | Crystal Raider | 1986 | Mastertronic, Ltd. UK 012967 |
| Atari 400/800 disk | Crystal Raider | 1986 | Mastertronic, Ltd. UK 012967 |
| Amstrad CPC type-in | Cubemeleon | 1986 | Editions SORACOM France |
| MSX cass. | Cubit | 1986 | Mr. Micro |
| NEC PC-9801 Series type-in | Cup-kun no Arubaito Part 2 | 1986 | Dempa Shinbunsha Japan |
| Pachinko | Cupid | 1986 | Okumura Japan |
| Sharp MZ-700 type-in | Cuppy | 1986 | Dempa Shinbunsha Japan |
| Sinclair ZX Spectrum cass. | Cursed be the City | 1986 | Incantation |
| Sinclair ZX Spectrum cass. | Custerd's Quest | 1986 | Alpha-Omega Soft., Ltd. |
| Dragon cass. | Cuthbert and the Golden Chalice | 1986 | Microdeal |
| Commodore Amiga 500 disk | Cutthroats Model IA3-CO4 | 1986 | Infocom, Inc. MA, USA 51051 |
| Atari 400/800 disk | CuttleMania! | 1986 | Computronic |
| Sinclair ZX Spectrum cass. | Cyberun Model 481015 | 1986 | Ultimate Play The Game |
| Amstrad CPC type-in | Cyborg | 1986 | Shift Editions Paris, France |
| Commodore C64 disk | Cycle Knight | 1986 | Artworx Soft. Co., Inc. |
| Atari 400/800 disk | Cycle Knight | 1986 | Artworx Soft. Co., Inc. |
| Arcade Video game |  Cycle Shooting | 1986 | Taito Corp. Japan |
| Sinclair ZX Spectrum type-in | Cyclotron | 1986 | Shift Editions Paris, France |
| Sinclair ZX Spectrum cass. | Cyrox Model A-011-S48 | 1986 | Power House, The UK |
| Sinclair ZX Spectrum cass. | Cyrus II | 1986 | Alligata Soft. |
| MSX 3.5in disk | Cyrus II Chess | 1986 | Alligata Soft. |
| Amstrad PCW soft. | Cyrus II Chess | 1986 | Intelligent Chess Soft. |
| MSX cass. | D-Day | 1986 | Eaglesoft |
| Sharp X1 cass. | D-Side - Lagrange L-2 Part II Model BF-1200 | 1986 | Compac Japan |
| Sharp X1 5.25in. disk | D-Side - Lagrange L-2 Part II Model BH-D101 | 1986 | Compac Japan |
| Sega SG-1000 game | Da Cike | 1986 | DahJee Tawain |
