| Name | Types | |
|---|---|---|
| RFuchs | Developer | |
| RG Corporation | Developer | |
| RG Crew | Developer | |
| RG00 | Developer | |
| RGB Software | Developer | |
| RGBY_Studios | Developer | |
| RGBeans | Developer | |
| RGCD.DEV | Developer | |
| RGrinGame | Developer | |
| RIDENTEM | Developer | |
| RIP Horse | Developer | |
| RISC | Developer | |
| RISK SYSTEM | Developer | |
| RIVER CROW STUDIO | Developer | |
| RK | Developer | |
| RKiemGames | Developer | |
| RMAL | Developer | |
| RMN | Publisher | |
| RNC | DeveloperPublisher | |
| RNG Party Games | Developer | |
| RNGames | Developer | |
| RNeuron | Developer | |
| ROBOWARRIOR | Developer | |
| ROGOCAT | Developer | |
| ROLLINKUNZ! | Developer | |
| ROM16 | Developer | |
| ROMUBOY | Developer | |
| RON | Developer | |
| ROONCAVE Studios | Developer | |
| ROWAN FUTURE | Developer | |
| RPG MO | Developer | |
| RPGRabbit | Developer | |
| RPGVeir | Developer | |
| RPGgrenade | Developer | |
| RPH Studio | Developer | |
| RPM Software | Developer | |
| RPaca Studios | Developer | |
| RS34 | DeveloperPublisher | |
| RSB2000 | Developer | |
| RSBeyond | Developer | |
| RSF | Developer | |
| RSG | Developer | |
| RSalam | Developer | |
| RShinabarker | Developer | |
| RSlider | Developer | |
| RTEmit | Developer | |
| RTL | DeveloperPublisher | |
| RTL Enterprises | Publisher | |
| RTL Enterprises GmbH | Publisher | |
| RTL Entertainment | DeveloperPublisher |