| Circus Caper - Fixed by LANCUSTER | lancuster | Circus Caper | Action > Platformer | NES | G, L, T, GP | Improvement | 1.0 | 16 May 2016 |
| Clash at Demonhead - SRAM Saving Edition | 8-bit fan | Clash at Demonhead | Action > Platformer | NES | T, O | Improvement | 1.0 | 29 Dec 2017 |
| Clash at Demonhead - Map edit | Zynk Oxhyde | Clash at Demonhead | Action > Platformer | NES | G | Improvement | 1.0 | 14 Feb 2018 |
| Nazrin Land | DASTARD | Clu Clu Land | Action | NES | G, T | Improvement | 1.0 | 01 Mar 2009 |
| New Clu Clu Land (FDS-hack) | Morgan Johansson | Clu Clu Land: Welcome to New Clu Clu Land | Puzzle | FDS | O | Improvement | 1.1 | 03 Jun 2013 |
| Clue RNG Improvement | link_7777 | Clue | Boardgame | SNES | O | Improvement | 1.0 | 17 Feb 2019 |
| Final Cocoron | Tedzja | Cocoron | Action > Platformer | NES | G, T | Improvement | 1.0 | 28 Oct 2013 |
| Code Name: Viper - Fully Clothed | Big Hairy Marty | Code Name: Viper | Action > Platformer | NES | G | Improvement | 1.0 | 14 Nov 2017 |
| CodeName: Tenka - New control buttons config | Mr2 | CodeName: Tenka | Action > Shooter | PSX | GP | Improvement | 0.1 | 18 Oct 2016 |
| Colin McRae Rally 2.1 | Lupus Erectus | Colin McRae Rally 2.0 | Racing | PSX | G, GP | Improvement | 1.0 | 24 Nov 2007 |
| Comix Zone - Calcium kid edition | Vikfield | Comix Zone | Action > Beat 'Em Up | GEN | GP | Improvement | 1.0 | 13 May 2019 |
| Conan (Button Fix) | the jabu | Conan | Action Adventure | NES | GP | Improvement | 1.0 | 30 Dec 2014 |
| Contra UNROM to MMC3 Hack | infidelity | Contra | Action > Shooter | NES | O | Improvement | 1.0 | 20 Jul 2013 |
| Contra MMC5 Patch | RetroRain | Contra | Action > Shooter | NES | O | Improvement | 1.0 | 10 Apr 2015 |
| Black dawn | Holy | Contra | Action > Shooter | NES | L, O | Complete | 1.0 | 28 Dec 2015 |
| Super Contra II | Yanshan Software | Contra | Action > Shooter | NES | L, T, GP | Complete | 1.0 | 01 Jan 1993 |
| Contra - Zeng Ge Hack | Zeng Ge | Contra | Action > Shooter | NES | L, O | Complete | 1.0 | 03 Aug 2012 |
| Contra - Evil Mountain | CZX | Contra | Action > Shooter | NES | G, L, T, GP | Complete | Final | 02 Nov 2017 |
| Revenge of the Red Falcon | Trax | Contra | Action > Shooter | NES | G, L, T | Complete | 1.0 | 15 Jan 2016 |
| Contra - Mountain Challenge | Trax | Contra | Action > Shooter | NES | G, L, T, GP | Complete | 1.0 | 21 Dec 2013 |
![Super Mario Bros. [New Levels Pack]](/hacks/nes/images/titles/4764titlescreen.png "Super Mario Bros. [New Levels Pack]")
