| Clan Lord (1998) | 193,415 | 68 |
| Clan N (2020) | 139,593 | 181 |
| Clan O'Conall and the Crown of the Stag (2020) | 221,523 | 330 |
| Clan of Champions (2011) | 154,601 | 48 |
| Clandestine MUD (1997) | 3,162 | 15 |
| Clandestiny (1996) | 27,317 | 46 |
| Clanfolk (2022) | 3,751,097 | 3,787 |
| Clannad (2004) | 2,980,927 | 2,749 |
| Clans (1999) | 180,559,573 | 10,051 |
| The Clans - Saga of the Twins (2015) | 3,978 | 5 |
| Clans to Kingdoms (2019) | 0 | 0 |
| Clap Hanz Golf (2021) | 97,771 | 239 |
| Clarent Saga: Chronicles (2022) | 2,240 | 8 |
| Clarent Saga: Tactics (2017) | 3,211 | 59 |
| Clarevoyance (2020) | 110 | 2 |
| Claris the Princess Knight (2022) | 521 | 1 |
| Claritas - Dungeon Crawler RPG (2025) | 2,415 | 13 |
| Clash (1998) | 9,556,217 | 1,544 |
| Clash at Demonhead (1989) | 3,084,764 | 596 |
| Clash for Crust (2024) | 1 | 2 |
| Clash Force (2012) | 57,664 | 298 |
| Clash Mini (2021) | 81,950,183 | 9,802 |
| Clash of Chefs VR (2018) | 5,819,029 | 241 |
| Clash of Clans (2012) | 22,900,656,181 | 1,078,798 |
| Clash of Digital : Rumble Smash (2023) | 49 | 2 |
| Clash of Irons (2022) | 8,813 | 12 |
| Clash of Kings (2014) | 36,699,507 | 7,226 |
| Clash Of Memes: A Brawl Royale (2019) | 7,945 | 2 |
| Clash of Steel (1993) | 44,900 | 50 |
| Clash of the Titans (2010) | 46,822,706 | 9,745 |
| Clash of the Titans: The Video Game (2010) | 43,855 | 35 |
| Clash Quest (2021) | 33,233,278 | 3,068 |
| Clash Royale (2016) | 38,052,948,621 | 1,026,387 |
| CLASH! - Battle Arena (2019) | 1,846 | 13 |
| Clash: Artifacts of Chaos (2022) | 1,340,540 | 1,968 |
| Clash: Blue Mirage (2024) | 8 | 1 |
| Clash: Mutants Vs Pirates (2020) | 9,509 | 43 |
| CLASHBOWL (2022) | 1,095 | 7 |
| Class Five Memorial GAME (2022) | 510 | 2 |
| Class of Heroes (2008) | 904,723 | 904 |
| Class of Heroes 2 (2009) | 146,883 | 135 |
| Class of Heroes 2G (2010) | 133,536 | 124 |
| Class Reunion Chat Room (2023) | 1,599 | 32 |
| Classic Adventure (1982) | 130,440 | 199 |
| Classic British Motor Racing (2006) | 77,398 | 69 |
| Classic Car Racing (2007) | 169,725 | 94 |
| Classic Concentration (1988) | 1,670,345 | 943 |
| Classic Jigsaw Puzzles (2019) | 5,403 | 19 |
| Classic Marathon 2 (2024) | 1,839 | 12 |
| Classic Marathon Infinity (2024) | 149 | 7 |
| Classic Memory Game (2022) | 1,485,183 | 2 |
| Classic Pool (2021) | 17,297 | 64 |
| Classic Racers (2019) | 341,822 | 225 |
| Classic Snake Adventures (2019) | 13,395 | 68 |
| Classic Text Adventure Masterpieces of Infocom (1996) | 441 | 4 |
| Classic Word Games (2009) | 13,684 | 73 |
| Classified Stories: Color Out of Space (2022) | 14,627 | 101 |
| Classified Stories: The Tome of Myrkah (2021) | 42,229 | 67 |
| Classified: France '44 (2024) | 1,097,554 | 870 |
| Classified: The Sentinel Crisis (2005) | 47,499 | 72 |
| Classroom Aquatic (2018) | 38,455,937 | 156 |
| Classroom Whispers (2024) | 497 | 10 |
| The Classrooms (2022) | 543,012,106 | 15,111 |
| ClaustrophobicCrypt (2025) | 0 | 0 |
| Clavis Kinkygate: Treasure of Danau River (2024) | 0 | 0 |
| Claw (1997) | 173,404,424 | 5,522 |
| Claw Games (2020) | 1,770,016 | 165 |
| Clawee (2017) | 635,045 | 103 |
| Clawface (2018) | 2,299 | 19 |
| Clawfish (2021) | 191,046 | 62 |
| Claws & Chaos (2024) | 110,594 | 37 |
| Claws & Feathers (2015) | 14,230 | 22 |
| Claws & Feathers 2 (2016) | 13,251 | 20 |
| The Claws of Blood (2022) | 1,829 | 2 |
| Claws of Furry (2018) | 122,973 | 104 |
