| | Clown (Inder) | 1988 | Inder | pinclown | | 0.00 |
 | Cobra-Command (Japan) (clone of: cobracom) | 1988 | Data East Corporation | cobracomj | | 0.00 |
| Cobra-Command (World revision 5) | 1988 | Data East Corporation | cobracom | Shooter / Flying Horizontal | 6.60 |
| | Combat School (bootleg) (clone of: combatsc) | 1988 | bootleg | combatscb | | 0.00 |
| | Combat School (joystick) | 1988 | Konami | combatsc | | 5.67 |
 | Contra (PlayChoice-10) | 1988 | Konami (Nintendo of America license) | pc_cntra | Platform / Shooter Scrolling | 5.50 |
 | Counter Run (bootleg set 1) (clone of: countrun) | 1988 | bootleg | countrunb | | 0.00 |
| Counter Run (bootleg set 2) (clone of: countrun) | 1988 | bootleg | countrunb2 | | 0.00 |
| Counter Run (NS6201-A 1988.3) | 1988 | Nihon System (Sega license) | countrun | Maze / Driving | 0.00 |
| | Country Club | 1988 | SNK | countryc | Sports / Golf | 0.00 |
 | Crazy Climber 2 (Japan) | 1988 | Nichibutsu | cclimbr2 | Climbing | 6.80 |
| Crazy Climber 2 (Japan, Harder) (clone of: cclimbr2) | 1988 | Nichibutsu | cclimbr2a | | 0.00 |
 | Crazy Cop (Japan) (clone of: gbusters) | 1988 | Konami | crazycop | Shooter / Walking | 0.00 |
| | Cyber Tank (v1.4) | 1988 | Coreland | cybertnk | | 0.00 |
 | Cyberball (prototype) (clone of: cyberbal) | 1988 | Atari Games | cyberbalp | | 0.00 |
| Cyberball (rev 2) (clone of: cyberbal) | 1988 | Atari Games | cyberbal2 | | 0.00 |
| Cyberball (rev 4) | 1988 | Atari Games | cyberbal | Sports / Football Amer. | 8.55 |
| | Cyclone (L-4) (clone of: cycln_l5) | 1988 | Williams | cycln_l4 | | 0.00 |
| | Cyclone (L-5) | 1988 | Williams | cycln_l5 | | 0.00 |
 | Daimakaimura (Japan Resale Ver.) (clone of: ghouls) | 1988 | Capcom | daimakair | | 0.00 |
