| Cyborg Hunter Demo (ver. 1.2) | Scott Barnes | 1997-04-05 |
| 74 |
| Custer's Revenge MZX | NovaYoshi ◪ | 2011-00-00 |
| 162 |
| Custard's Revenge | NovaYoshi ◪ | 2017-02-25 |
| 56 |
| Crystal Cities 2 Demo | ZZFreak | 1998-07-22 |
| 84 |
| Crystal Cities | ZZFreak | 1996-07-14 |
| 97 |
| Cry of Light Demo | KKairos ◪ | 2002-07-25 | No reviews. | 80 |
| Crustaceans | Jason H. Steele, John F. O'Meara | 1998-04-29 | No reviews. | 44 |
| Crosswords (ver. 1.0c) | Vacek ◪ | 2022-09-20 | No reviews. | 49 |
| Crop Hunter Part I | Nedemai ◪ | 2004-12-20 |
| 65 |
| Crook | Milkbomber | 1998-08-13 |
| 70 |
| Crisis in Stuffyou City (ver. Almost 10th Anniversary Edition) | Kuddy / ShloobeR / RoSS / Trev-MUN | 2012-06-16 |
| 113 |
| Craziness 2 | nessaja_cat18 ◪ | |
| 66 |
| Craziness | nessaja_cat18 ◪ | |
| 70 |
| CR2-6 The Invasion | Giel ◪ | 2009-08-29 |
| 69 |
| CR2-0 | Giel ◪ | 2009-11-02 |
| 85 |
| Cornbomb | cornsalt ◪ | |
| 75 |
| Corn Collection | cornsalt ◪ | | No reviews. | 83 |
| Cop Chase | Patrick Santos | |
| 74 |
| Cooking Game | zzo38 ◪ | 2003-06-12 |
| 145 |
| Contra | Robert Scharlau | |
| 67 |
| Confectioner's Recipe, A | ThDPro ◪ | 2013-09-30 |
| 213 |
| Conduit (ver. 2.4) | James | 1996-09-12 |
| 67 |
| Completion | KKairos ◪ | 2001-00-00 |
| 70 |
| Commander Keen: Heroes Lost | ThDPro ◪ | 2012-12-29 |
| 775 |
| Comfat | Skylark ◪ | 2003-06-30 |
| 69 |
| Columnz | paulguy ◪ | 2006-09-29 |
| 74 |
| Collect the Gems Demo | ascii ◪ | |
| 68 |
| Collapse Demo | emegas ◪ | 1998-02-09 |
| 80 |
| Codename: Snip'a | RoSS ◪ | 2000-10-23 |
| 70 |
| Code White Demo | Qzarko | |
| 67 |
| Closure | inmate2993 ◪ | 2001-04-04 |
| 139 |
| Civil War 2040 | someone13 ◪ | 2000-03-30 |
| 87 |
| City Limits | Pancake ◪ | 2006-05-23 |
| 112 |
| Chrono Wars MZX Demo | Chronos30 | |
| 95 |
| CHIPS Mario | NovaYoshi ◪ | 2018-01-15 |
| 127 |
| CHIMO | Chris Facer & Mr. Psycho | |
| 78 |
| Cheezy Short Game | Wervyn ◪ | |
| 85 |
| Cheezy Game, A | Craig J | |
| 79 |
| Cheese's Adventure | LogiCow ◪ | 2005-07-03 |
| 199 |
| Chaser, The | Berserko ◪ | 2005-03-19 |
| 76 |
| Chase, The | Gregory | |
| 82 |
| ChaosRunner Tetris (ver. 2.5) | CHAOS 256 Colors | 2018-09-29 |
| 38 |
| ChaosRunner Magazine Volume 1 (ver. 1998 Version) | CHAOS 256 Colors | 2019-03-18 | No reviews. | 66 |
| CHAOS Snakes | Chaos88 ◪ | 2015-09-19 | No reviews. | 56 |
| Challenge, The | Scott Barnes | |
| 82 |
| Chain Reaction | CyQ ◪ | 2001-04-29 |
| 76 |
| Celestial Altar | Dr Lancer-X ◪ | 2010-01-03 |
| 430 |
| Caves of Gayana Demo | Robert Scharlau | 1998-11-27 |
| 80 |
| Caverns of Zeux: the Boardgame | Verasev ◪ | 2020-03-30 | No reviews. | 89 |
| Caverns of Zeux Psycho Edition | Mallo | |
| 123 |
