| Chrono Trigger: Prophet's Guile | Kajar Laboratories | Chrono Trigger | Role Playing | SNES | G, S, L, T, GP | Complete | 1.00 | 25 Dec 2007 |
| Chrono Trigger: Respecting Sprites | Mauron | Chrono Trigger | Role Playing | SNES | G | Improvement | 1.1 | 01 Feb 2020 |
| Chrono Trigger: Unused Music | PowerPanda | Chrono Trigger | Role Playing | SNES | S | Improvement | 1.0 | 27 Mar 2019 |
| Chrono Triggered | Rim | Chrono Trigger | Role Playing | SNES | T | Complete | 1.2 | 11 Aug 2020 |
| Civilization UI & Text Tweaks | Maeson | Sid Meier's Civilization | Strategy > Turn Based | SNES | G, T | Bug Fix | 1.0 | 19 Dec 2021 |
| Classic Mario World - The Magical Crystals Definitive Version | Bandicoot | Super Mario World | Action > Platformer | SNES | S, L, T, GP, O | Complete | 1.0 | 30 May 2019 |
| Classic Mario World 2 - The Great Alliance Definitive Version | Bandicoot | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.0 | 16 Apr 2019 |
| Classic Mario World 3: The Finale - Definitive Version | Bandicoot | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 2.0 | 21 May 2020 |
| ClayFighter TE-Tiny's Shorts Fix | DarthMarino | ClayFighter: Tournament Edition | Action > Fighting | SNES | G | Improvement | 1.0 | 31 May 2021 |
| Clock Tower Deluxe | BobSchneeder45 | Clock Tower | Adventure | SNES | G, L, GP | Improvement | 2.0 | 08 Jan 2023 |
| Clue RNG Improvement | link_7777 | Clue | Boardgame | SNES | O | Improvement | 1.0 | 17 Feb 2019 |
| Coin Flip Fix | Mike Ferrell | Final Fantasy III | Role Playing | SNES | G | Bug Fix | 1.0 | 14 Aug 2018 |
| Colinbound 2 | ColinB | EarthBound | Role Playing | SNES | G, L, T, O | Complete | 1.0 | 05 May 2016 |
| Colinbound Infina's Invasion | ColinB | EarthBound | Role Playing | SNES | G, L, T | Complete | 1.0 | 27 Dec 2010 |
| Color Blind Mod | tianipixel | Pop'n TwinBee | Action > Shooter | SNES | G | Improvement | 1.0 | 11 Apr 2022 |
| Color Wheel | Leet Sketcher | Final Fantasy III | Role Playing | SNES | G | Improvement | 1.5 | 15 Oct 2017 |
| Colored Samus Item Window | RealRed | Super Metroid | Action Adventure | SNES | G | Improvement | 1.0 | 19 Oct 2014 |
| Complete Silence status fix | ajkmetiuk | Final Fantasy: Mystic Quest | Role Playing | SNES | GP | Bug Fix | 1.0 | 06 Feb 2022 |
| Condensed Spell List | GrayShadows | Final Fantasy III | Role Playing | SNES | O | Improvement | 1.1 | 17 Sep 2017 |
| Conker's High Rule Tail | SePH | The Legend of Zelda: A Link to the Past | Action Adventure | SNES | G, S, L, T, GP, O | Complete | v1.29.k | 24 Nov 2021 |
