| Clash: Blue Mirage (2024) | 8 | 1 |
| Clash: Mutants Vs Pirates (2020) | 9,508 | 43 |
| CLASHBOWL (2022) | 1,095 | 7 |
| Class Five Memorial GAME (2022) | 0 | 0 |
| Class of Heroes (2008) | 850,262 | 753 |
| Class of Heroes 2 (2009) | 146,850 | 132 |
| Class of Heroes 2G (2010) | 133,536 | 124 |
| Class Reunion Chat Room (2023) | 1,579 | 32 |
| Classic Adventure (1982) | 123,303 | 188 |
| Classic British Motor Racing (2006) | 77,361 | 68 |
| Classic Car Racing (2007) | 169,684 | 92 |
| Classic Concentration (1988) | 1,662,107 | 905 |
| Classic Jigsaw Puzzles (2019) | 5,385 | 19 |
| Classic Marathon 2 (2024) | 894 | 9 |
| Classic Marathon Infinity (2024) | 149 | 7 |
| Classic Memory Game (2022) | 1,485,183 | 2 |
| Classic Pool (2021) | 17,151 | 54 |
| Classic Racers (2019) | 326,116 | 219 |
| Classic Snake Adventures (2019) | 13,395 | 68 |
| Classic Text Adventure Masterpieces of Infocom (1996) | 408 | 3 |
| Classic Word Games (2009) | 13,684 | 73 |
| Classified Stories: Color Out of Space (2022) | 14,607 | 100 |
| Classified Stories: The Tome of Myrkah (2021) | 42,229 | 67 |
| Classified: France '44 (2024) | 1,095,097 | 813 |
| Classified: The Sentinel Crisis (2005) | 46,497 | 60 |
| Classroom Aquatic (2018) | 38,455,935 | 156 |
| Classroom Whispers (2024) | 497 | 10 |
| The Classrooms (2022) | 511,707,474 | 13,695 |
| ClaustrophobicCrypt (2025) | 0 | 0 |
| Clavis Kinkygate: Treasure of Danau River (2024) | 0 | 0 |
| Claw (1997) | 172,736,018 | 5,298 |
| Claw Games (2020) | 1,768,976 | 163 |
| Clawee (2017) | 635,010 | 102 |
| Clawface (2018) | 2,299 | 19 |
| Clawfish (2021) | 191,046 | 62 |
| Claws & Chaos (2024) | 0 | 0 |
| Claws & Feathers (2015) | 14,228 | 22 |
| Claws & Feathers 2 (2016) | 13,251 | 20 |
| The Claws of Blood (2022) | 1,829 | 2 |
| Claws of Furry (2018) | 122,971 | 104 |
| Clay Game (2020) | 0 | 0 |
| Clay Jam (2012) | 222,519 | 47 |
| Clay Soldiers (2023) | 6,367,631 | 219 |
| Claybook (2017) | 18,660,249 | 527 |
| ClayFighter (1993) | 3,184,261 | 1,004 |
| ClayFighter 2: Judgment Clay (1995) | 806,203 | 386 |
| ClayFighter 63⅓ (1997) | 3,014,108 | 691 |
| ClayFighter: Sculptor's Cut (1998) | 3,514,266 | 344 |
| Claymates (1993) | 500,949 | 429 |
| Claymore (2009) | 8,682,241 | 864 |
| Claymores of the Lost Kingdom (2024) | 36,289 | 59 |
| Claymorgue Castle (1984) | 2,733 | 11 |
| Clea (2019) | 10,062,336 | 1,006 |
| Clea 2 (2021) | 0 | 0 |
| Clean Asia! (2007) | 24,948 | 14 |
| Clean City Project (2024) | 0 | 1 |
| Clean Energy Creatures (2024) | 407 | 1 |
| Clean'Em Up (2016) | 916 | 7 |
| CleanFall (2025) | 116 | 2 |
| Cleaning Girls (2023) | 0 | 0 |
| Cleaning Queens (2023) | 86,968 | 85 |
| Cleaning The System (2022) | 53,133 | 45 |
| The Cleansing - Versus (2017) | 128 | 1 |
| Cleanup Service (1987) | 3,668 | 6 |
| Clear Mosaic (2023) | 7 | 2 |
| Clear Skye Thinking (2024) | 407 | 9 |
| Clearing Blade (2024) | 27,516 | 4 |
| ClearIt 16 (2023) | 2,001 | 4 |
| ClearIt5 (2019) | 0 | 0 |
| CLEARWORLD (2021) | 16,344 | 2 |
| Cleithrophobia (2021) | 226,636 | 52 |
| CLeM (2024) | 390,958 | 317 |
| Cleo - a pirate's tale (2021) | 1,247,066 | 541 |
| Cleo's Lost Idols (2017) | 0 | 0 |
| Cleopatra Fortune (1996) | 335,211 | 320 |
