| Acorn Archimedes disk |  Chocks Away | 1990 | Fourth Dimension, The |
| PC/OS/2 pack. | Chomp for Presentation Manager P Sw | 1990 | Neolithic Soft. |
| NEC PC-9801 Series type-in | Chop Gun | 1990 | Dempa Shinbunsha Japan |
| NEC PC-8801 Series disk | Chou Bishoujo Densetsu Croquis | 1990 | Pinkysoft Japan |
| NEC PC-Engine HuCARD | Chouzetsu Rinjin - Bravoman Model NC90005 P | 1990 | NAMCOT Japan |
| Amstrad CPC 464 disk | Choy Lee Fut - Kung-Fu Warrior | 1990 | Positive Spain |
| Amstrad CPC cass. | Choy Lee Fut Kung-Fu Warrior Model 32.006 | 1990 | Positive Spain |
| MSX cass. | Choy-Lee-Fut Kung-Fu Warrior | 1990 | Positive Spain |
| Sinclair ZX Spectrum+3 disk | Choy-Lee-Fut Kung-Fu Warrior | 1990 | Positive Spain |
| Sinclair ZX Spectrum cass. | Choy-Lee-Fut Kung-Fu Warrior Model SPC 23006 | 1990 | Positive Spain |
| Nintendo NES cart. |  Chris Evert & Ivan Lendl in Top Players' Tennis Model NES-W1-USA | 1990 | Asmik Corp. of America USA |
| Commodore Amiga 500 disk | Chrono Quest II | 1990 | Psygnosis, Ltd. |
| Nintendo NES cart. |  Chuck Yeager's Advanced Flight Trainer | 1990 | Electronic Arts CA, USA 14633 |
| Atari ST disk | Chuck Yeager's Advanced Flight Trainer Ver.2 Model 3299 | 1990 | Electronic Arts CA, USA 14633 |
| Arcade Video game | Chulgyeok D-Day | 1990 | Dooyong Korea |
| MSX cass. | Ci-U-Than Trilogy I - La Diosa de Cozumel | 1990 | Aventuras AD, S.A. Spain |
| Sinclair ZX Spectrum+3 disk | Ci-U-Than Trilogy-I: Cozumel | 1990 | Aventuras AD, S.A. Spain |
| Sinclair ZX Spectrum cass. | Ci-U-Than Trilogy-I: Cozumel Model SPE 900002 | 1990 | Adventuras AD Spain |
| IBM PC DOS pack. | Cipher Sw | 1990 | Arcanum Computing |
| IBM PC DOS pack. | Circle Link | 1990 | ShareGames |
| Commodore C64 disk | Circuit | 1990 | Markt & Technik |
| IBM PC 5.25in. disk | Circuit's Edge | 1990 | Infocom An Activision co., CA, USA 47875 |
| Nintendo NES cart. | Circus Caper Model NES-M7-USA | 1990 | Toho Co., Ltd. Los Angeles, CA, USA |
| Kiddie Ride | Circus Van | 1990 | Amutec |
| Arcade Video game | Cisco Heat Simulator model | 1990 | JALECO Co., Ltd. Japan |
| Arcade Video game | Cisco Heat Upright model | 1990 | JALECO Co., Ltd. Japan |
| NEC PC-Engine HuCARD | City Hunter Model SS90001 | 1990 | SUNSOFT Kounan, Japan |
| Amstrad CPC 464 disk | Clap Cine | 1990 | UBI Soft Creteil, France 307211 |
| NEC PC-6001mkIISR type-in | Claris | 1990 | Dempa Shinbunsha Japan |
| Nintendo NES cart. | Clash at Demonhead Model NES-B6-USA | 1990 | Vic Tokai, Inc. Torrance, CA, USA |
| Sinclair ZX Spectrum cass. | Classic Arcadia 2 | 1990 | Alternative Soft., Ltd. |
| Commodore Amiga 500 disk | Classic Board Games | 1990 | Merit Industries, Inc. Bensalem, PA, USA |
| Nintendo NES cart. | Classic Concentration Model NES-C8-USA | 1990 | GameTek, Inc. Miami Beach, FL, USA 43948 |
| Sinclair ZX Spectrum cass. | Classic Games 2 | 1990 | System 4 de Espana, S.A. Spain |
| Amstrad CPC type-in | Classic Runner | 1990 | Laser Press SARL Saint-Mandé, France |
| Sinclair ZX Spectrum cass. | Classic Trainer II | 1990 | GTI Soft. |
| Commodore Amiga 500 disk | Clive Barker's Nightbreed - The Interactive Movie | 1990 | Ocean Soft., Ltd. 13156 |
| Commodore Amiga 500 disk | Cloud Kingdoms | 1990 | Millennium Interactive, Ltd. |
| Commodore C64 disk | Cloud Kingdoms P | 1990 | Millennium Interactive, Ltd. |
| Atari ST disk | Cloud Kingdoms | 1990 | Millennium Interactive, Ltd. |
