| Crayon Shin-Chan: Ora to Poi Poi | Alcy | Other | NES | Unfinished | 0.1 | 27 Oct 2003 | EN |
| Crayon Shin-Chan: Taiketsu! Quantum Panic!! | Psyklax | Other | GG | Fully Playable | 1.0 | 24 Dec 2018 | EN |
| Crescent Pale Mist | The Lone Moogle | Action > Platformer | PC | Fully Playable | 1.0 | 26 Sep 2009 | EN |
| Crisis Force | Stardust Crusaders | Action > Shooter | NES | Fully Playable | 1.0 | 25 Dec 2008 | EN |
| Cross Hermit ~Welcome to the Farthest~ | chrrox | Strategy > Turn Based | PC | Unfinished | 1.0 | 07 Jan 2006 | EN |
| CRW: Metal Jacket | 46 OkuMen | Strategy | PC98 | Fully Playable | 1.0.3 | 19 Aug 2019 | EN |
| Crystal Beans from Dungeon Explorer | Hiei- | Role Playing > Action RPG | SNES | Fully Playable | 1.1 | 25 Oct 2012 | EN |
| Crystalis | Stardust Crusaders | Role Playing > Action RPG | NES | Fully Playable | 1.02 | 28 Aug 2020 | EN |
| Cu-On-Pa SFC | Aeon Genesis | Puzzle | SNES | Fully Playable | 1.00 | 06 Oct 2001 | EN |
| Culdcept DS | theli | Card Game | NDS | Fully Playable | 1.0 | 02 Jul 2010 | EN |
| Custom Robo | Star Trinket | Action > Fighting | N64 | Fully Playable | 1.0 | 08 Sep 2017 | EN |
| Cyber Knight | Aeon Genesis | Role Playing | SNES | Fully Playable | 1.01 | 17 Dec 2001 | EN |
| Cyber Knight II: Chikyuu Teikoku no Yabou | Aeon Genesis | Role Playing | SNES | Fully Playable | 1.00 | 17 Nov 2005 | EN |
| Cybernator | Aeon Genesis | Action > Shooter | SNES | Fully Playable | 1.00 | 07 Mar 2002 | EN |
| Cyborg 009 | Aeon Genesis, J2e Translations | Action > Platformer | SNES | Fully Playable | 1.00 | 07 Jan 2004 | EN |
| D.Gray-Man: Kami no Shitotachi | Phantom | Action Adventure | NDS | Fully Playable | 1.0 | 29 Mar 2019 | EN |
| Dahna: Megami Tanjou | cccmar | Action > Platformer | GEN | Fully Playable | 1.0 | 29 Aug 2016 | EN |
| Dai Meiro: Meikyuu no Tatsujin | KingMike's Translations, filler | Adventure | NES | Fully Playable | 1.0 | 16 Jul 2006 | EN |
| Dai-2-Ji Super Robot Taisen | Aeon Genesis | Strategy > Turn Based | NES | Fully Playable | 1.00 | 24 Dec 2013 | EN |
| Dai-3-Ji Super Robot Taisen | Aeon Genesis | Strategy | SNES | Fully Playable | 2.00m2 | 24 Jun 2019 | EN |
