| Buster Busts Loose Train Bugfix | KingMike's Translations | Tiny Toon Adventures: Buster Busts Loose! | Action > Platformer | SNES | GP | Bug Fix | 1.0 | 05 Oct 2008 |
| Butterfly Fight | DASTARD | Balloon Fight | Action | NES | G, T | Improvement | 1.0 | 01 Apr 2009 |
| Buzz & Waldog MMC-3 Hack | MottZilla | Buzz & Waldog | Action > Platformer | NES | O | Improvement | 1.0 | 02 Mar 2008 |
| Buzzy's World Tour | Super Stiviboy | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 1.0 | 05 Jul 2019 |
| Bye Bye Breath | Leet Sketcher | Final Fantasy III | Role Playing | SNES | L, GP | Bug Fix | 1.2 | 22 Sep 2016 |
| Byte’s Adventure | Darkdata-Systemlogoff | Mega Man | Action > Platformer | NES | G, L, T, GP | Complete | 1.4 | 01 Sep 2007 |
| Cacoma Knight - faster rom | sluffy | Cacoma Knight in Bizyland | Puzzle | SNES | O | Improvement | 20182501 | 25 Jan 2018 |
| Cadash Arcade Colors | Tor Landeel | Cadash | Role Playing > Action RPG | GEN | G | Improvement | 1.0 | 02 Mar 2018 |
| Cadillacs of Rage | Pyron | Streets of Rage 3 | Action > Beat 'Em Up | GEN | G | Improvement | 1.0 | 31 Aug 2016 |
| Calendar Fix Patch | Rebelles Unis | Rockman EXE 4.5: Real Operation | Role Playing > Action RPG | GBA | G, O | Addendum | 1.0 | 15 Nov 2019 |
| Can't Lose for Winning | Lenophis | Final Fantasy III | Role Playing | SNES | GP | Bug Fix | 1.1 | 19 Jan 2010 |
| Canada Cup Rosters | slapshot | NHL '94 | Sports | GEN | G, T, GP | Complete | 1.0 | 04 Feb 2009 |
| Captain America - The Winter Soldier | pacnsacdave | Power Blade 2 | Action > Platformer | NES | G, S, T, GP | Complete | 1.1 | 20 Oct 2014 |
| Captain America and the Avengers (Stage selector) | Farid | Captain America and the Avengers | Action > Beat 'Em Up | NES | GP | Improvement | 1.0 | 25 Apr 2015 |
| Captain America and the Avengers - Enhanced Colors | Pyron | Captain America and the Avengers | Action > Beat 'Em Up | GEN | G | Improvement | 1.0 | 06 Jan 2015 |
| Captain Commando: Arcade Edition | RealGaea | Captain Commando | Action > Beat 'Em Up | SNES | G, T | Improvement | 1.1 | 04 Jul 2018 |
| Captain Toad Treasure Tracker for SNES | zacmario | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP, O | Complete | 1.1 | 09 Jul 2016 |
| Captain Toad Treasure Tracker for SNES II | zacmario | Super Mario World | Action > Platformer | SNES | G, L, T, GP | Complete | 1.2 | 05 May 2018 |
| Captain Tsubasa 2 - Hyper Edition | Whipon | Captain Tsubasa Vol. II: Super Striker | Sports | NES | L, GP | Improvement | 3.0 | 17 Nov 2008 |
| Captain Tsubasa 2 - Super Dream Team | Whipon | Captain Tsubasa Vol. II: Super Striker | Sports | NES | GP | Improvement | 1.0 | 06 Jun 2008 |
