| Commander Keen: Heroes Lost | ThDPro ◪ | 2012-12-29 |
| 772 |
| Celestial Altar | Dr Lancer-X ◪ | 2010-01-03 |
| 430 |
| Castle of Zeux | Castlevania ◪ | 2001-01-26 |
| 574 |
| Call of Caethrath | Jauhis ◪ | 2004-05-06 |
| 335 |
| Calmness | Dchewer ◪ | 1996-10-07 |
| 344 |
| Cans 3 (ver. 1.01) | inmate2993 ◪ | 1998-11-28 |
| 488 |
| Confectioner's Recipe, A | ThDPro ◪ | 2013-09-30 |
| 210 |
| Cannibal Island | Baby Bonnie Hood ◪ | 2012-03-18 |
| 188 |
| Cannibal Demo | FaNToM / CHEZZY | 2007-01-08 |
| 135 |
| Cooking Game | zzo38 ◪ | 2003-06-12 |
| 142 |
| Cans Episode One Special Edition | inmate2993 ◪ | 2001-10-11 |
| 359 |
| Closure | inmate2993 ◪ | 2001-04-04 |
| 138 |
| Castle of the Aardvarks | Yapok Jr. | 1996-01-29 |
| 140 |
| Cans 2 | inmate2993 ◪ | 1997-07-31 |
| 334 |
| Campaign Against SZZT (ver. 1.01) | Timcomput, Anonymous | 2021-05-15 |
| 97 |
| CHIPS Mario | NovaYoshi ◪ | 2018-01-15 |
| 127 |
| Crisis in Stuffyou City (ver. Almost 10th Anniversary Edition) | Kuddy / ShloobeR / RoSS / Trev-MUN | 2012-06-16 |
| 113 |
| Cheese's Adventure | LogiCow ◪ | 2005-07-03 |
| 196 |
| Columnz | paulguy ◪ | 2006-09-29 |
| 73 |
| Crop Hunter Part I | Nedemai ◪ | 2004-12-20 |
| 62 |
| Codename: Snip'a | RoSS ◪ | 2000-10-23 |
| 70 |
| Cans | inmate2993 ◪ | 1997-01-16 |
| 326 |
| Completion | KKairos ◪ | 2001-00-00 |
| 70 |
| Collapse Demo | emegas ◪ | 1998-02-09 |
| 79 |
| Castle of No Redemption | ???? | 2000-04-01 |
| 74 |
| Carnage | Scott Barnes | 1998-01-03 |
| 100 |
| Custard's Revenge | NovaYoshi ◪ | 2017-02-25 |
| 53 |
| Catnip: The Haze | ThDPro ◪ | 2006-12-06 |
| 76 |
| Castlevania | Hoof ◪ | 2006-11-29 |
| 107 |
| City Limits | Pancake ◪ | 2006-05-23 |
| 112 |
| Comfat | Skylark ◪ | 2003-06-30 |
| 69 |
| Chaser, The | Berserko ◪ | 2005-03-19 |
| 76 |
| Cheezy Game, A | Craig J | |
| 79 |
| Caves of Gayana Demo | Robert Scharlau | 1998-11-27 |
| 80 |
| Crystal Cities 2 Demo | ZZFreak | 1998-07-22 |
| 84 |
| Crook | Milkbomber | 1998-08-13 |
| 69 |
| Cornbomb | cornsalt ◪ | |
| 75 |
| Conduit (ver. 2.4) | James | 1996-09-12 |
| 67 |
| CHIMO | Chris Facer & Mr. Psycho | |
| 75 |
| Chase, The | Gregory | |
| 81 |
| Catgame Demo | KMSpill | |
| 65 |
| Captain Cool 2 | KosherPig | 1997-05-27 |
| 78 |
| Canundrums Starring the Inklings (ver. 1.1) | Jiffy66 | 1998-04-14 |
| 87 |
| CAMEO 2 | Estixo1 ◪ | 2008-09-14 |
| 94 |
| Crystal Cities | ZZFreak | 1996-07-14 |
| 97 |
| Chrono Wars MZX Demo | Chronos30 | |
| 95 |
| Caverns of Zeux Psycho Edition | Mallo | |
| 122 |
| ChaosRunner Tetris (ver. 2.5) | CHAOS 256 Colors | 2018-09-29 |
| 38 |
| Custer's Revenge MZX | NovaYoshi ◪ | 2011-00-00 |
| 162 |
| CR2-0 | Giel ◪ | 2009-11-02 |
| 82 |
