| Codebreaker | 1978 | a2600 |
| Coffeetime Crosswords | 2008 | xbox360 |
| Color Bombs | 2015 | wiiu |
| Color Cross | 2008 | nds |
| Color Cubes | 2017 | 3ds, wiiu |
| Color Jumper | 2025 | genesis |
| Color Match Combat | 2023 | nes |
| Color Symphony 2 | 2016 | wiiu, xboxone |
| Color Wars | 1992 | pcengine |
| Color Zen | 2014 | 3ds, wiiu |
| Color Zen Kids | 2014 | 3ds, wiiu |
| ColorZ | 2009 | wii |
| Colorful Logic | 2000 | ps1 |
| Colorful Logic 2 | 2001 | ps1 |
| Colorful Logic 3 | 2001 | ps1 |
| Columns | 1990 | arcade, genesis, gg, pcengine, sms, snes |
| Columns | 2006 | wii |
| Columns '97 | 1996 | arcade |
| Columns Crown | 2001 | gba |
| Columns II: The Voyage Through Time | 1990 | arcade |
| Columns III | 1993 | genesis |
| Columns III | 1993 | arcade |
| Columns III - Revenge of Columns | 2008 | wii |
| Columns III - Taiketsu! Columns World | 1993 | genesis |
| Columns III - Taiketsu! Columns World | | wii |
| Conduct Together! | 2018 | switch |
| Connect 4 | 2016 | nes |
| Cookie & Bibi | 1995 | arcade |
| Cookie & Bibi 2 | 1996 | arcade |
| Cookie & Bibi 3 | 1997 | arcade |
| Coropata | 2009 | nds |
| Cosmo Gang the Puzzle | 1992 | arcade, snes, wii, wiiu |
| Cotocoto Cottong | 1982 | arcade |
| Crabby Adventure | 2007 | ps2 |
| Crackout | 1991 | nes |
| Cradle of Rome | 2008 | nds |
| Cradle of Rome 2 | 2011 | nds |
| Crashmo | 2012 | 3ds |
| Crayon Shin-chan - Ora to Poi Poi | 1993 | nes |
| Crayon Shin-chan - Puzzle Daimaou no Nazo | 1995 | 3do |
| Crazy Construction | 2014 | 3ds |
| Crazy Cross | 1994 | arcade |
| Crazy Faces | 1993 | gg |
| Crazy Machines | 2008 | nds, wii |
| Crazy Machines 2 | 2009 | nds |
| Crazy Machines Elements | 2011 | ps3, xbox360 |
| Crazy Market | 2013 | vita |
| Crazy Mouse | | xbox360 |
| Create | 2010 | ps3, wii, xbox360 |
| Creatom | 1991 | nes |
| Creature Capture | 2007 | sms |
| Crillion | 2023 | nes |
| Critical Match | 2019 | nes |
| Critter Crunch | 2009 | ps3 |
| Critter Round-Up | 2008 | wii |
| Croquis | 1996 | arcade |
| Cross Pang | 1998 | arcade |
| Cross Puzzle | | arcade |
| CrossKrush | 2020 | ps4, xboxone |
| Crossovers by POWGI | 2019 | vita |
| Crossroad Crisis | 2001 | ps1 |
| CrossworDS | 2008 | nds |
| Crossword DS + Sekai 1-shuu Cross | 2007 | nds |
| Crosswords - Cruciverba Italiani | 2009 | nds |
| Crosswords DS | 2008 | nds |
| Crosswords Plus | 2012 | 3ds |
| Cruciverba per DS | 2008 | nds |
| Crush 3D | 2012 | 3ds |
| Crypto by POWGI | 2020 | vita |
| Crypto-Fascist | 2022 | nes |
| Crystal Crisis | 2019 | ps4, switch |
| Crystal Mines II | 1992 | lynx |
| Crystal Mines II - Buried Treasure | 2003 | lynx |
| Cu-On-Pa | 1997 | ps1 |
| Cu-On-Pa SFC | 1996 | snes |
| Cuatro en Linea | 1991 | arcade |
| The Cube | 2012 | 3ds, ps3, wii |
| Cube | 2007 | psp |
| Cube | 2007 | psp |
| Cube Battler - Story of Anna | 1997 | saturn |
| Cube Battler - Story of Shou | 1997 | saturn |
| Cube Blitz | 2015 | wiiu |
| Cubemen 2 | 2014 | wiiu |
| Cubeshift | 2017 | wiiu |
| Cubic Ninja | 2011 | 3ds |
| Cubikolor | 2016 | xboxone |
| Cubixx HD | 2011 | ps3 |
| Cuboid | 2009 | ps3 |
| Cubot: The Complexity of Simplicity | 2016 | xboxone |
| Cursed Crown | 2024 | nes |
| Cut the Rope | 2013 | 3ds |
| Cutie Pets Pick Berries | 2015 | wiiu |
| Cyber Dreamscape Battle-Deckers 2199 | 2023 | gb |
| Cyber Tank | 2023 | xboxone |
| Cyraid | 1991 | gb |
| D no Shokutaku | 1995 | 3do, ps1, saturn |
| DK - King of Swing | 2014 | wiiu |
| DS Puzzler - Nanpure Fan & Oekaki Logic - Wi-Fi Taiou | 2007 | nds |
| Daedalian Opus | 1990 | gb |
| Daitoride | 1995 | arcade, saturn |