| Cactus McCoy | Flipline Studios | 2 | — |
| Call of Juarez | — | 4 | Western film, first-person shooter |
| Candy Crush Saga | King | 4 | — |
| Cannon Fodder | — | 2 | shoot 'em up |
| Carmageddon | Stainless Games | 6 | arcade, vehicular combat game |
| Carnival Games | — | 4 | — |
| Carol Reed Mysteries | — | 1 | adventure video game |
| CastleMiner | — | 3 | survival game, sandbox game |
| Celeste | — | 4 | platform game |
| Chessmaster | — | 13 | chess video game |
| Chicken Invaders | — | 6 | shoot 'em up, science fiction |
| Cho Aniki | — | 3 | role-playing video game, fighting game |
| Chrono | Square Enix, Square | 7 | role-playing video game |
| Chunithm | Q122741, Yasuhiro Nishiyama | 20 | — |
| Chzo Mythos | Yahtzee Croshaw | 1 | adventure video game, psychological horror fiction |
| Cities XL | Focus Entertainment, Monte Cristo | 4 | construction and management simulation, city-building game |
| Clannad | — | 1 | — |
| ClayFighter | — | 3 | fighting game |
| Clock Tower | Capcom, Sunsoft, Human Entertainment | 4 | point-and-click adventure, survival horror, psychological horror fiction |
| Clonk | RedWolf Design | 9 | strategy video game, platform game |
| Club Football | — | — | association football video game |
| Coin-Op Hits | — | 1 | — |
| Colin McRae Rally and Dirt | Codemasters | 3 | rally racing video game |
| Collapse! | GameHouse | 8 | — |
| Color Symphony | REMIMORY | 2 | — |
| Columns | — | 4 | falling block puzzle game |
| Combat of Giants | — | 3 | adventure video game |
| Commander Keen | — | 9 | platform game |
| Commando | — | 2 | run and gun |
| Compu-Math series | Edu-Ware | — | mathematics |
| Conker | Rare Ltd. | 4 | platform game |
| Console Archives | — | — | — |
| Cookie Run | Devsisters | — | mobile game, online game, endless runner game |
| Cool Boarders | — | 7 | snowboarding video game |
| Corpse Party | — | 8 | horror anime and manga, adventure video game |
| Cossacks | GSC Game World | 6 | real-time strategy |
| Counter-Strike | Gearbox Software, Ritual Entertainment, Valve Corporation, Hidden Path Entertainment, Nexon | 9 | first-person shooter |
| Counter-Strike Neo: White Memories | — | — | visual novel |
| Cricket | — | — | cricket video game |
| Criminal Border | Purple software | 4 | eroge, visual novel |
| Cruis'n | — | 6 | racing video game |
| Crusader Kings | — | 3 | grand strategy wargame |
| Crysis | Q164716 | 10 | first-person shooter |
| CSI | Telltale Games, Radical Entertainment, Ubisoft Abu Dhabi, Q188273, Other Ocean, Powerhead Games, Legacy Interactive, Gameloft, Mystery Studio, Findev | 11 | — |
| Cube Escape | Rusty Lake | 11 | point-and-click adventure, puzzle video game |