| Civilization II (1996) | 52,139,230 | 8,073 |
| Civilization III (2001) | 6,462,565 | 4,806 |
| Civilization IV (2005) | 46,863,900 | 17,747 |
| Civilization Online (2015) | 1,446,700 | 157 |
| Civilization Revolution (2008) | 10,034,821 | 2,800 |
| Civilization Revolution 2 (2014) | 2,105,225 | 325 |
| Civilization V (2010) | 554,507,169 | 87,886 |
| Civilization VI (2016) | 1,130,321,386 | 181,469 |
| Civilization World (2011) | 571,138 | 143 |
| Civilization: Beyond Earth (2014) | 84,209,346 | 20,077 |
| Civilization: Call to Power (1999) | 386,178 | 84 |
| Civitatem (2022) | 0 | 0 |
| CJ in the USA (1991) | 16,853 | 50 |
| CJ's Elephant Antics (1991) | 78,623 | 122 |
| Clad in Iron: Philippines 1898 (2017) | 1,439 | 10 |
| Cladun Returns: This Is Sengoku! (2017) | 219,042 | 189 |
| Cladun X2 (2011) | 225,085 | 171 |
| Cladun: This is an RPG (2010) | 381,279 | 218 |
| Claim Jumper (1982) | 15,335 | 21 |
| Clair Obscur: Expedition 33 (2025) | 195,028,503 | 127,926 |
| Claire (2014) | 189,997 | 145 |
| Claire a la Mode (2025) | 0 | 0 |
| Claire de Lune (2021) | 613,763 | 146 |
| Claire's Cruisin' Cafe: High Seas Cuisine (2022) | 11,290 | 119 |
| Clairvoyant: The Magician Mystery (2012) | 12,335 | 15 |
| Clamb (2024) | 605,979 | 104 |
| Clan Lord (1998) | 193,415 | 68 |
| Clan N (2020) | 139,596 | 181 |
| Clan O'Conall and the Crown of the Stag (2020) | 221,525 | 330 |
| Clan of Champions (2011) | 154,601 | 48 |
| Clandestine MUD (1997) | 3,167 | 15 |
| Clandestiny (1996) | 27,317 | 46 |
| Clanfolk (2022) | 3,771,454 | 3,813 |
| Clannad (2004) | 2,981,824 | 2,759 |
| Clans (1999) | 180,975,442 | 10,098 |
| 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) | 279 | 7 |
| 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) | 3,088,258 | 600 |
| Clash for Crust (2024) | 1 | 2 |
| Clash Force (2012) | 57,664 | 298 |
| Clash Mini (2021) | 81,950,950 | 9,802 |
| Clash of Chefs VR (2018) | 5,819,436 | 241 |
| Clash of Clans (2012) | 22,980,088,191 | 1,087,098 |
| Clash of Digital : Rumble Smash (2023) | 49 | 2 |
| Clash of Irons (2022) | 8,813 | 12 |
| Clash of Kings (2014) | 36,706,492 | 7,236 |
| Clash of Melodies (2026) | 0 | 0 |
| Clash Of Memes: A Brawl Royale (2019) | 7,945 | 2 |
| Clash of Steel (1993) | 44,960 | 51 |
| Clash of the Titans (2010) | 46,949,287 | 9,782 |
| Clash of the Titans: The Video Game (2010) | 43,855 | 35 |
| Clash Quest (2021) | 33,235,403 | 3,071 |
| Clash Royale (2016) | 38,260,401,055 | 1,038,640 |
| CLASH! - Battle Arena (2019) | 1,846 | 13 |
| Clash: Artifacts of Chaos (2022) | 1,342,675 | 1,984 |
| 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) | 905,435 | 922 |
| 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) | 134,129 | 202 |
| Classic British Motor Racing (2006) | 77,398 | 69 |
| Classic Car Racing (2007) | 169,920 | 99 |
| Classic Concentration (1988) | 1,671,503 | 947 |
| Classic Jigsaw Puzzles (2019) | 5,403 | 19 |
