| Robocop 3 - The Revenge v2 | DANGER X | RoboCop 3 | Action | NES | L, GP | Improvement | 2.0 | 19 Feb 2018 |
| Robocop 2 Super Power | Guyver (X.B.M.) | RoboCop 2 | Action > Platformer | NES | G, S, GP | Improvement | 1.0 | 17 Oct 2016 |
| Robocop 2 Responsive | Nesrocks | RoboCop 2 | Action > Platformer | NES | GP | Improvement | 1.1 | 12 Jun 2020 |
| Robo's Super Mario Bros 3 | Roboh25 | Super Mario Bros. 3 | Action > Platformer | NES | G, L, T | Complete | 1.0 | 27 Mar 2011 |
| RoadBlasters - Auto Accelerate | baochan120 | RoadBlasters | Racing | NES | GP | Improvement | 1.0 | 20 Jul 2017 |
| Road Rash: Jailbreak - New control buttons config | Mr2 | Road Rash: Jailbreak | Racing | PSX | GP | Improvement | 0.1 | 14 Aug 2017 |
| Road Rash 2 Opponent Edition | joe dailyght | Road Rash II | Racing | GEN | G | Improvement | 1.0 | 10 Nov 2018 |
| Road Fighter more time hack | Guyver (X.B.M.) | Road Fighter | Racing | NES | GP | Improvement | 1.0 | 17 Oct 2016 |
| RMOVE to REMOVE | Mike Ferrell | Final Fantasy III | Role Playing | SNES | T | Improvement | 1.0 | 31 Oct 2019 |
| River City Ransom Improvement | SpiderDave | River City Ransom | Action > Beat 'Em Up | NES | G, T | Improvement | 2017.06.1 | 01 Jun 2017 |
| River City Ransom Font Refresh | LastduaL | River City Ransom | Action > Beat 'Em Up | NES | G | Improvement | 1.1 | 10 Aug 2017 |
| River City Girls ..of Rage | savok | Streets of Rage 2 | Action > Beat 'Em Up | GEN | G, S, GP | Complete | 0.9.44 | 09 Jun 2020 |
| Ristar in Streets of Rage 2 | Metal64 | Streets of Rage 2 | Action > Beat 'Em Up | GEN | G, O | Improvement | 1.1 | 03 Jan 2018 |
| Risker | Inventor | Excitebike | Racing | NES | G | Improvement | 1.0 | 01 Jan 2001 |
| Rise of Lu Bu | sonic.penguin | Destiny of an Emperor | Role Playing | NES | G, S, L, T, GP | Complete | 3.0 | 01 Dec 2013 |
| Rise of Ieyasu 2.0 | sonic.penguin | Destiny of an Emperor | Role Playing | NES | G, S, L, T, GP | Complete | 2.0 | 17 Mar 2013 |
| Rings of Power - The Hand of Nexus | Whipon | Rings of Power | Role Playing | GEN | GP | Improvement | 2.0 | 06 Jun 2008 |
| Ring King - Family Friendly Edition | Megafield64 | Ring King | Sports | NES | O | Improvement | 1.0 | 14 Jan 2014 |
| Riff World 2 | Freakin HA | Super Mario World | Action > Platformer | SNES | G, S, L, T, GP | Complete | 0.9a | 14 Jan 2021 |
| Riddler's Escape From Arkham | J. | Mega Man 3 | Action > Platformer | NES | G | Improvement | 1.0 | 17 Jun 2000 |
