Game System
- Rocket League Hoops PS43
- Rocky Road a la Mode3
- Rogue-Lite RPG3
- Rommel Rules! by Pete Panzeri3
- Rookwood system3
- Rorschach3
- Rules To Live By3
- Run for yout Life, Candyman3
- Rune Masters3
- Ruse Card Game3
- SAUVE QUI PEU3
- SCIENCE FICTION FESTIVAL INTERACTIVE3
- SCIENCE FICTION FESTIVAL SPECIAL EVENTS3
- SCP3
- SEAKREIG3
- SEAPOWER Game System 3
- SHATTERZONE3
- SHOGUN by Milton Bradley3
- SLA Industries house rules/Fuzion variant3
- SOLARIS VII-BATTLETECH3