| Commodore C64 type-in |  Circuits | 1989 | Compute! Publications, Inc. |
| Commodore Amiga 500 disk | Circus Attractions | 1989 | Golden Goblins |
| Commodore C64 cass. | Circus Attractions Model 211384 | 1989 | Golden Goblins |
| Amstrad CPC cass. | Circus Games | 1989 | Tynesoft Computer Soft. |
| Amstrad CPC 464 disk | Circus Games | 1989 | Tynesoft Computer Soft. |
| Commodore C64 cass. | Citadel | 1989 | Electric Dreams Soft. |
| Nintendo Famicom disk | City Connection | 1989 | Hangsing |
| IBM PC DOS pack. | City of Madness Sw | 1989 | Gold Coast Soft. |
| Commodore C64 disk | Civil War Trivia | 1989 | J&F Publishing, Inc. |
| Commodore C64 disk | Classic Concentration - Second Edition | 1989 | ShareData, Inc. Chandler, AZ, USA |
| Amstrad CPC cass. | Classic Games 4 | 1989 | CP Soft. |
| Amstrad CPC 464 disk | Classic Games 4 | 1989 | CP Soft. |
| Sinclair ZX Spectrum+3 disk | Classic Games 4 | 1989 | CP Soft. |
| Sinclair ZX Spectrum cass. | Classic Punter | 1989 | GTI Soft. |
| Amstrad CPC cass. | Classic Punter | 1989 | GTI Soft. |
| Sinclair ZX Spectrum cass. | Classic Trainer | 1989 | GTI Soft. |
| Amstrad CPC cass. | Classic Trainer | 1989 | GTI Soft. |
| Olivetti PC-128 cass. | Classiques Vol. 1 | 1989 | Olivetti Prodest Milan, Italy |
| Olivetti PC-128 cass. | Classiques Vol. 2 | 1989 | Olivetti Prodest Milan, Italy |
| Sinclair ZX Spectrum cass. | Cleric's Quest | 1989 | Global Games Scotland |
| Fujitsu FM-7 type-in | Climb Up Game /Board Game | 1989 | Dempa Shinbunsha Japan |
| MSX 2 type-in | Clink | 1989 | Dempa Shinbunsha Japan |
| Sinclair ZX Spectrum cass. | Clock Chess '89 | 1989 | CP Soft. |
| Sinclair ZX Spectrum+3 disk |  Clock Chess '89 | 1989 | System 4 de Espana, S.A. Spain |
| Sinclair ZX Spectrum+3 disk | Clock Chess '89 | 1989 | CP Soft. |
| Fruit Machine | Clockwise Club Model 5216 | 1989 | Bell-Fruit Mfg. Co., Ltd. B.F.M. UK |
| IBM PC DOS pack. | Clone Invader Ver. 4.0 Sw | 1989 | Quiring, Gary |
| IBM PC DOS pack. |  Clone Invader Ver. 4.4 Sw | 1989 | Quiring, Gary |
| Sega Master System cart. | Cloud Master Model 7027 P | 1989 | SEGA Enterprises, Ltd. Tokyo, Japan |
| Commodore Amiga 500 disk | Clown-O-Mania | 1989 | Softgold |
| Fruit Machine | Club Explosion Model 5523 | 1989 | Bell-Fruit Mfg. Co., Ltd. B.F.M. UK |
| Thomson TO disk | Club Thoms+ 1 | 1989 | Micromedia Systemes |
| Apple II 5.25 disk | Clue | 1989 | Leisure Genius |
| Apple II 5.25 disk | Clue Master Detective | 1989 | Virgin Mastertronic International, Inc. USA |
| MSX type-in | Clydec | 1989 | Dempa Shinbunsha Japan |
| IBM PC 3.5in. disk | Coach | 1989 | New Era Soft. |
| NEC PC-Engine CD | Cobra - Kokuryuuou no Densetsu Model HCD8004 | 1989 | Hudson Soft. Hudson Group Japan |
| Sinclair ZX Spectrum cass. | Cobra Force | 1989 | Players Premier |
| Amstrad CPC cass. | Cobra Force | 1989 | Players Premier |
| Amstrad CPC 464 disk | Cobra Force | 1989 | Unknown |
