| Clan of Champions (2011) | 154,601 | 48 |
| Clandestine MUD (1997) | 3,167 | 15 |
| Clandestiny (1996) | 27,317 | 46 |
| Clanfolk (2022) | 3,767,192 | 3,805 |
| Clannad (2004) | 2,981,460 | 2,755 |
| Clans (1999) | 180,900,758 | 10,079 |
| 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) | 223 | 5 |
| Claris the Princess Knight (2022) | 521 | 1 |
| Claritas - Dungeon Crawler RPG (2025) | 2,415 | 13 |
| Clash (1998) | 9,558,411 | 1,545 |
| Clash at Demonhead (1989) | 3,087,110 | 598 |
| Clash for Crust (2024) | 1 | 2 |
| Clash Force (2012) | 57,664 | 298 |
| Clash Mini (2021) | 81,950,772 | 9,802 |
| Clash of Chefs VR (2018) | 5,819,246 | 241 |
| Clash of Clans (2012) | 22,952,864,149 | 1,085,323 |
| Clash of Digital : Rumble Smash (2023) | 49 | 2 |
| Clash of Irons (2022) | 8,813 | 12 |
| Clash of Kings (2014) | 36,706,438 | 7,236 |
| Clash of Melodies (2026) | 0 | 0 |
| Clash Of Memes: A Brawl Royale (2019) | 7,945 | 2 |
| Clash of Steel (1993) | 44,955 | 51 |
| Clash of the Titans (2010) | 46,922,983 | 9,771 |
| Clash of the Titans: The Video Game (2010) | 43,855 | 35 |
| Clash Quest (2021) | 33,234,677 | 3,069 |
| Clash Royale (2016) | 38,196,400,000 | 1,035,239 |
| CLASH! - Battle Arena (2019) | 1,846 | 13 |
| Clash: Artifacts of Chaos (2022) | 1,341,874 | 1,983 |
| Clash: Blue Mirage (2024) | 8 | 1 |
| Clash: Mutants Vs Pirates (2020) | 9,509 | 43 |
| CLASHBOWL (2022) | 1,095 | 7 |
| Class Five Memorial GAME (2022) | 0 | 0 |
| Class of Heroes (2008) | 905,332 | 921 |
| Class of Heroes 2 (2009) | 146,883 | 135 |
| Class of Heroes 2G (2010) | 133,536 | 124 |
| Class Reunion Chat Room (2023) | 1,601 | 32 |
| Classic Adventure (1982) | 133,436 | 200 |
| Classic British Motor Racing (2006) | 77,398 | 69 |
| Classic Car Racing (2007) | 169,920 | 99 |
| Classic Concentration (1988) | 1,671,472 | 946 |
| Classic Jigsaw Puzzles (2019) | 5,403 | 19 |
| Classic Marathon 2 (2024) | 2,186 | 17 |
| Classic Marathon Infinity (2024) | 154 | 8 |
| Classic Memory Game (2022) | 1,485,183 | 2 |
| Classic Pool (2021) | 17,345 | 65 |
| Classic Racers (2019) | 341,914 | 227 |
| 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) | 14,629 | 101 |
| Classified Stories: The Tome of Myrkah (2021) | 42,229 | 67 |
| Classified: France '44 (2024) | 1,097,725 | 875 |
| Classified: The Sentinel Crisis (2005) | 47,499 | 72 |
| Classroom Aquatic (2018) | 38,455,937 | 156 |
| Classroom Whispers (2024) | 497 | 10 |
| The Classrooms (2022) | 550,371,147 | 15,468 |
| ClaustrophobicCrypt (2025) | 0 | 0 |
| Clavis Kinkygate: Treasure of Danau River (2024) | 0 | 0 |
| Claw (1997) | 173,509,056 | 5,560 |
| Claw Games (2020) | 1,770,017 | 166 |
| Clawee (2017) | 635,060 | 103 |
| Clawface (2018) | 2,299 | 19 |
| Clawfish (2021) | 191,046 | 62 |
| CLAWPUNK (2025) | 0 | 0 |
| Claws & Chaos (2024) | 110,670 | 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) | 122,974 | 104 |
| Clawsome (2026) | 2 | 1 |
