| Cat Quest III | 2024 | switch |
| Cave Noire | 1991 | gb |
| Caveblazers | 2019 | switch |
| Caves of Qud | 2026 | switch |
| Chachamaru Boukenki 3 - Abyss no Tou | 1991 | gb |
| Chain Chronicle V | 2014 | vita |
| Chained Echoes | 2022 | ps4, switch |
| Champions - Return to Arms | 2005 | ps2 |
| Chaos Rings | 2013 | vita |
| Chaos Rings II | 2015 | vita |
| Chaos Rings III | 2015 | vita |
| Chaos Rings III - Prequel Trilogy | 2014 | vita |
| Chaos Rings Omega | 2015 | vita |
| Chaos Wars | 2006 | ps2 |
| Chaos World | 1991 | nes |
| Chaotic - Shadow Warriors | 2009 | nds, ps3, wii, xbox360 |
| Character Tkool | 2000 | ps1 |
| Cheonjiui Mun 2 - Mussangjeon | 2006 | psp |
| Chester Field - Ankoku Shin e no Chousen | 1987 | nes |
| Chibi Maruko-chan - Okozukai Daisakusen! | 1990 | gb |
| Chicken Assassin: Reloaded | 2018 | switch |
| Children of Mana | 2006 | nds |
| Children of Morta | 2019 | ps4, switch, xboxone |
| Children of Zodiarcs | 2017 | ps4, switch, xboxone |
| Chocobo no Fushigi na Dungeon 2 | 1999 | ps1 |
| Chocobo no Fushigi na Dungeon for WonderSwan | 1999 | ws |
| Chocobo's Mystery Dungeon Every Buddy! | 2019 | ps4 |
| Chocobo's Mystery Dungeon Every Buddy! | 2019 | switch |
| Chongwu Xiao Jingling IV | 2004 | nes |
| Choro Q - Hyper Customable GB | 1999 | gbc |
| Chou Aniki - Otoko no Tamafuda | 2000 | ws |
| Chou Hatsumei Boy Kanipan - Bousou Robot no Nazo! | 1999 | dreamcast |
| Chou Hatsumei Boy Kanipan - Hirameki Wonderland | 1999 | ps1 |
| Chou Jigen Game Neptune | 2010 | ps3 |
| Chou Mahou Tairiku WOZZ | 1995 | snes |
| Chou Mashin Eiyuu Den Wataru - Mazekko Monster | 1997 | gb |
| Chou Mashin Eiyuu Den Wataru - Mazekko Monster 2 | 1998 | gb |
| Chou Mashin Eiyuuden Wataru - Another Step | 1998 | ps1 |
| Chou Megami Shinkou Noire - Gekishin Black Heart | 2015 | vita |
| Chroma Squad | 2017 | ps4, switch, xboxone |
| Chronicle of Dungeon Maker | 2007 | psp |
| Chrono Cross | 1999 | ps1 |
| Chrono Trigger | 2006 | nds, ps1, wii |
| Chrono Trigger | 1995 | snes |
| Chrono Trigger - Shikong Zhi Lun | 1996 | nes |
| Chrono Trigger - The Wheel of Time | 1996 | nes |
| Chronos: Before the Ashes | 2020 | ps4 |
| Chronus Arc | 2015 | 3ds, switch, xboxone |
| Chronus Arc | 2018 | vita |
| Chuumon Shiyouze! Oretachi no Sekai | 2009 | psp |
| Cid to Chocobo no Fushigi na Dungeon - Toki Wasure no Meikyuu DS+ | 2008 | nds |
| The Citadel of Chaos | 2020 | genesis |
| Citadel: Forged with Fire | 2019 | ps4, xboxone |
| Citizen Sleeper | 2022 | ps4, switch |
| Citizen Sleeper 2: Starward Vector | 2025 | switch |
| Citizens Unite!: Earth x Space | 2021 | switch |
| Citizens of Earth | 2015 | 3ds, ps4, vita, wiiu |
| Citizens of Space | 2019 | ps4, switch, xboxone |
| Cladun - This Is an RPG! | 2010 | psp |
| Cladun Returns: This is Sengoku! | 2017 | ps4, vita |
| Cladun x2 | 2011 | psp |
| Class of Heroes | 2009 | psp |
| Class of Heroes 2 | 2013 | psp |
| Class of Heroes 2G | 2014 | ps3 |
| Classic Dungeon - Fuyoku no Masoujin | 2010 | psp |
| Classic Dungeon X2 | 2011 | psp |
| Classic NES Series - The Legend of Zelda | 2004 | gba |
| Classic NES Series - Zelda II - The Adventure of Link | 2004 | gba |
| Cleopatra no Mahou | 1987 | fds |
| Climax Landers | 1999 | dreamcast |
| Code Age Commanders - Tsugumono Tsugarerumono | 2005 | ps2 |
| Code Geass - Hangyaku no Lelouch | 2007 | nds |
| Code Lyoko | 2007 | nds |
| Code Lyoko - Fall of X.A.N.A | 2008 | nds |
| Code Vein | 2019 | ps4, xboxone |
| Code of Princess | 2012 | 3ds |
| Coded Soul | 2008 | psp |
| Coded Soul - Uke Keigareshi Idea | 2008 | psp |
| Coded Soul - Uketsugareshi Idea | 2008 | psp |
| Collection of Saga Final Fantasy Legend | 2020 | switch |
| Coloball 2002 | 2002 | ps2 |
| Columbus - Ougon no Yoake | 1992 | nes |
| Combat Elite - WWII Paratroopers | 2005 | ps2, xbox |
| Command Master | 2000 | gbc |
| Conception - Ore no Kodomo o Unde Kure! | 2012 | psp |
| Conception II - Children of the Seven Stars | 2014 | 3ds, vita |
| Conception II - Children of the Seven Stars - Clad in Gold | | vita |
| Conception II - Shichisei no Michibiki to Mazuru no Akumu | 2013 | 3ds |
| Conception Plus: Maidens of the Twelve Stars | 2019 | ps4 |
| Conglomerate 451: Overloaded | 2021 | ps4, switch, xboxone |
| Contact | 2006 | nds |
| Convoy: A Tactical Roguelike | 2020 | ps4, xboxone |
| Cosmic Fantasy - Bouken Shounen Yuu | 1990 | pcengine |
| Cosmic Fantasy 2 | 1992 | pcengine |
| Cosmic Fantasy 2 - Bouken Shounen Ban | 1991 | pcengine |
| Cosmic Fantasy 3 - Bouken Shounen Rei | 1992 | pcengine |
| Cosmic Fantasy 4 - Ginga Shounen Densetsu - Gekitou-hen | 1994 | pcengine |
| Cosmic Fantasy 4 - Ginga Shounen Densetsu - Totsunyuu-hen | 1994 | pcengine |
| Cosmic Fantasy Stories | 1992 | segacd |
| Cosmic Star Heroine | 2017 | ps4, switch, vita |