| Rainmaker | Leyline Press | pdf | |
| Rajd na Stambuł | Fajerbol | pdf | |
| Ravaged Planet | Full Moon Enterprises | pdf | |
| README | | txt | |
| Realm Atlas 1.1 | | pdf | |
| REAP Character Sheet | | pdf | |
| REAP v1-1 | | pdf | |
| REAP v1.0 Spreads | | pdf | |
| Reaping at River’s End | Frog God Games | pdf | |
| Rebel Scum 2nd Edition | Magpie Games | pdf | |
| Red Venus | Garnett Elliott | pdf | |
| Regional Maps 1 | Frog God Games | zip | |
| Regional Maps 2 | Frog God Games | zip | |
| Regional Maps 3 | Frog God Games | zip | |
| River of Lies | Horseshark Games | pdf | |
| Roads and Roadside Attractions 1 | Frog God Games | zip | |
| Roads and Roadside Attractions 2 | Frog God Games | zip | |
| Roads and Roadside Attractions 3 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volume 5 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volume 6 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volume 7 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volume 8 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volume 9 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volumes 1 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volumes 2 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volumes 3 | Frog God Games | zip | |
| Robert Altbauer Gaming Maps_ Volumes 4 | Frog God Games | zip | |
| Robin's Laws of Good Game Mastering | Steve Jackson Games | pdf | |
| Robin's Laws of Good Game Mastering (Trove) | | pdf | |
| Rocky Cape | Frog God Games | pdf | |
| Rookie | The Cabinet of Curiosities | pdf | |
| Rosette Diceless | Future Proof Games | epubpdf | |
| ROTA: Realms of the Ancients Core Rulebook | Immortal House | pdf | |
| RPGs for Reproductive Justice | Hydra Cooperative | txt | |
| Rrypo: Get A Head | WTF Studio | pdf | |
| Ruins 1 | Frog God Games | zip | |
| Ruins 2 | Frog God Games | zip | |
| Ruins 3 | Frog God Games | zip | |
| Ruins 4 | Frog God Games | zip | |
| Ruins of the Red Moon | Frog God Games | pdf | |
| RULES FOR FLYING DUNGEONS | | pdf | |
| RULES FOR FLYING DUNGEONS (text only) | | pdf | |
| RUNE Rulebook 1.1 Pages | | pdf | |
| RUNE Rulebook 1.1 Spreads | | pdf | |
| RUNE rulebookjapan 1.1spreadspdf | | pdf | |
| Running Out of Time | Old Skull Publishing | pdf | |
| Rusałka | Teapot Dome Games | pdf | |
| The return of the she godddess | | pdf | |
| The Roleplayer's Arcane Spellbook | Fat Goblin Games | pdf | |
| The Roleplayer's Divine Prayerbook | Fat Goblin Games | pdf | |
| The Roleplayer's Leechbook | Fat Goblin Games | pdf | |