| Red Blood For Blackthorne | SCD | Blackthorne | Action > Platformer | SNES | G | Improvement | Final | 24 Aug 2019 |
| Red Alarm Debug Menu | HorvatM | Red Alarm | Action > Shooter | VB | O | Improvement | 1.0 | 13 Feb 2013 |
| Record of Lodoss War Uncut Mod | Rolly | Record of Lodoss War | Role Playing > Action RPG | DC | O | Improvement | 1.0 | 22 Oct 2021 |
| ReConstruct: Phantasy Star IV | vivify93 | Phantasy Star IV: The End of the Millennium | Role Playing | GEN | T, O | Improvement | 1.2 | 20 Aug 2021 |
| Recolored Mario | 8-NabBit | Mario Kart: Super Circuit | Racing | GBA | G | Improvement | 1.0 | 15 Jul 2021 |
| Recca - Remove Full Screen Flashes | wabbylegs | Summer Carnival '92 RECCA | Action > Shooter | NES | G | Improvement | 1.0 | 04 Dec 2021 |
| Recca - Pure | Sliver X | Summer Carnival '92 RECCA | Action > Shooter | NES | G, L, T | Improvement | 1.0 | 23 Jan 2007 |
| Recca - Barrage Limit Change | N·K | Summer Carnival '92 RECCA | Action > Shooter | NES | GP | Improvement | 1.0 | 24 Jan 2021 |
| ReCast FF3: War of the Magitek | C-Dude | Final Fantasy III | Role Playing | SNES | G, L, T, GP | Complete | 3.0 | 01 Jan 2022 |
| Reasonable encounter rate | ThegreatBen | Black Sigil: Blade of the Exiled | Role Playing | NDS | GP | Improvement | 1.0 | 28 Jan 2022 |
| Realistic Weapon Name Conversion Mod | Magus77 | Shadowrun | Role Playing > Action RPG | GEN | T, GP | Improvement | 2.2 | 06 Aug 2009 |
| Real Names Patch | FMecha | Super Racing | Racing | SMS | T | Improvement | 1.0 | 15 Jun 2021 |
| RBI: 2016 World Series | Baron von Lector | RBI Baseball | Sports | NES | G, T, GP, O | Complete | 1.0.0 | 04 Nov 2016 |
| RBI Baseball '94 - Full Names Fix | Craig341 | R.B.I Baseball '94 | Sports | GEN | T | Improvement | 1.0 | 01 Jun 2011 |
| Razor Sword Improvement | darklord92 | The Legend of Zelda: Majora's Mask | Action Adventure | N64 | GP | Improvement | 1.0 | 26 Feb 2017 |
| Rayman 1 - Region Free | SuiKaze Raider | Rayman 1 | Action > Platformer | SAT | O | Complete | 1.0 | 15 Mar 2021 |
| Rapid Gunnery | Inventor | Hogan's Alley | Action > Shooter | NES | G | Complete | 1.0 | 01 Jan 2001 |
| Raphael the Raven (SMK) | 8-NabBit | Mario Kart: Super Circuit | Racing | GBA | G, T | Improvement | 1.01 | 31 Jan 2021 |
| Ranma 1/2 | Crying Onion | Kung Fu | Action > Beat 'Em Up | NES | G, T | Improvement | 1.0 | 27 Dec 2018 |
| Ranger of Rage 2 | ONLYUSEmeFEET | Streets of Rage 2 | Action > Beat 'Em Up | GEN | G | Improvement | 1.0 | 08 Aug 2018 |
