| IBM PC 5.25in. disk |  Continuum Model 406-0429 | 1990 | Data East USA, Inc. |
| Fujitsu FM-7 type-in | Cool Shower | 1990 | Dempa Shinbunsha Japan |
| Commodore Amiga 500 disk | Corporation | 1990 | Core Design, Ltd. |
| Commodore Amiga 500 disk | Corporation - Mission Disk | 1990 | Core Design, Ltd. |
| Commodore C64 cass. | Corporation Model SUM 985 | 1990 | Summit Soft. |
| Amstrad CPC cass. | Corrupt | 1990 | GLL Soft. Spain |
| Amstrad CPC 464 disk | Corrupt | 1990 | GLL Soft. Spain |
| Sinclair ZX Spectrum cass. | Corrupt | 1990 | GLL Soft. Spain |
| Nintendo NES cart. |  Corvette ZR-1 Challenge Model NES-ZJ-NOE | 1990 | MB Milton Bradley Co. East Longmeadow, MA, USA |
| NEC PC-Engine CD | Cosmic Fantasy - Bouken Shounen Yuu Model TJCD9003 | 1990 | Telenet Japan |
| Gamate cart. | Cosmic Fighter Model C1032 | 1990 | Bit Corp. |
| Sinclair ZX Spectrum+3 disk | Cosmic Sheriff | 1990 | Dinamic Soft. Madrid, Spain |
| Sinclair ZX Spectrum cass. | Cosmic Sheriff Model SPE 890041 | 1990 | Dinamic Soft. Madrid, Spain |
| Pachinko | Cosmo | 1990 | Sanyo Japan |
| Redemption mechanical game | Cosmo Gangs | 1990 | Data East USA, Inc. |
| Nintendo Game Boy Cart. | Cosmo Tank Model DMG-CT-USA | 1990 | Atlus Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Cosmo Tank Model DMG-CTJ | 1990 | Atlus Co., Ltd. Japan |
| Apple IIGS disk | Cosmocade - The Arcade of Tomorrow | 1990 | Pangea Soft. |
| NEC PC-8801mkIISR type-in | Cosmostron | 1990 | Dempa Shinbunsha Japan |
| Apple IIc+ 3.5in. disk |  Cotton Tales | 1990 | Mindplay |
| Amstrad CPC cass. | County Cricket | 1990 | D & H Games |
| Amstrad CPC cass. | Cowboy Kidz | 1990 | Byte Back 018854 |
| Commodore C64 cass. | Cowboy Kidz | 1990 | Cobra Soft |
| Commodore C64 cass. | Cowboy Kidz | 1990 | Byte Back 018854 |
| Commodore Amiga 500 disk | Crack Down | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum cass. | Crack Down | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Amstrad CPC 464 disk | Crack Down | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Commodore C64 cass. | Crack Down | 1990 | US Gold, Ltd. Birmingham, England 13442 |
| Sinclair ZX Spectrum+3 disk | Crack Down | 1990 | Erbe Soft. Spain |
| Sega Mega Drive cart. | Crack Down Model 1111-50 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Sega Mega-Tech cart. | Crack Down Model 41 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Amstrad CPC cass. | Crack Down Model AM 595 | 1990 | Erbe Soft. Spain |
| Sega Mega Drive cart. | Crack Down Model G-4024 | 1990 | SEGA Enterprises, Ltd. Tokyo, Japan |
| IBM PC/AT DOS 3.5in. disk | Crash Course | 1990 | Spectrum HoloByte |
| Sinclair ZX Spectrum cass. | Crash issue 72: Presents 08 | 1990 | Crash, Ltd. |
| Sinclair ZX Spectrum cass. | Crash issue 73: Presents 09 | 1990 | Crash, Ltd. |
| Sinclair ZX Spectrum cass. | Crash issue 74: Presents 10 | 1990 | Crash, Ltd. |
| Sinclair ZX Spectrum cass. | Crash issue 75: Presents 11 | 1990 | Crash, Ltd. |
| Sinclair ZX Spectrum cass. | Crash issue 76: Presents 12 | 1990 | Crash, Ltd. |
| Sinclair ZX Spectrum cass. | Crash issue 77: Presents 13 | 1990 | Crash, Ltd. |
