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- Rangers of Taradoin by Sean-Robert Shaw
- Raex: The roleplaying adventure experience by T. Julian Bell & Raex games publishing
- Rapture: The Second Coming by William Spencer-Hale, Quintessential Mercy
- Recon by Palladium Books - Vietnam War adventure
- Red Dwarf: The Role Playing Game by deep 7 - based on BBC comedy Red Dwarf
- Reich Star by Simon Bell and Ken Richardson (1991) as Creative Encounters - fight Nazis in space.
- Rêve: the Dream Ouroboros by Denis Gerfaud (French, Rêve de Dragon)
- The Riddle of Steel by Driftwood Publishing
- Rifts by Palladium Games - crossover system
- Ringworld by Chaosium
- Risus
- Robotech by Palladium Games; based on the Robotech anime television series
- Rocky and Bullwinkle
- Rogue Trader developed by FFG
- RMSS (Rolemaster Fantasy Role Playing) by Iron Crown Enterprises - fully expandable and customizable rules system
- Rules to Live By from Interactivities Ink - generic customizable live action rules system, with expansions for horror and fantasy
- Rune Striders
- Runebearer by Chris Magoun - "Magic and religion clash in a ruined world"
- RuneQuest by Chaosium, versions also by Avalon Hill and Mongoose Publishing
Read more about this topic: List Of Role-playing Games By Name