| Robert Patten | Developer | |
| Robert Pelloni | Developer | |
| Robert Pointon | Developer | |
| Robert Prehn | Developer | |
| Robert Spahl | Developer | |
| Robert T. Smith | Developer | |
| Robert Ursache | Developer | |
| Robert W. Walker | Developer | |
| Robert White | Developer | |
| Robert Woodhead | Developer | |
| Robert Yang | Developer | |
| Robert vega | Developer | |
| RobertPattinson | Developer | |
| RobertPhillipB | Developer | |
| RobertW | Developer | |
| Roberta Williams & Ken Williams | Developer | |
| Roberta Williams & Rorke Weigandt | Developer | |
| Roberto | Developer | |
| Roberto M. Söderström | Developer | |
| Roberto Romao | Developer | |
| Roberto Serrano | Developer | |
| Roberto Uriel Herrera | Developer | |
| RobertoAknael | Developer | |
| RobertoJr_Dev | Developer | |
| RobertoUno | Developer | |
| Robi | Developer | |
| Robi Studios | Developer | |
| Robin | Developer | |
| Robin Biggs FAU | Developer | |
| Robin Allen | Developer | |
| Robin Antonick | Developer | |
| Robin Apollo | Developer | |
| Robin Arys | Developer | |
| Robin Daydream | Developer | |
| Robin Deriaud | Developer | |
| Robin Field | Developer | |
| Robin Moretti | Developer | |
| Robin NICOLET | Developer | |
| Robin Six | Developer | |
| Robin Thompson | Developer | |
| Robin Ward | Developer | |
| Robin van Nunen | Developer | |
| Robin_3ch208 | Developer | |
| Robinson Technologies | DeveloperPublisher | |
| RobitGames | Developer | |
| Roblox | DeveloperPublisher | |
| Robo0890 | Developer | |
| RoboBoy | Developer | |
| RoboPixelGames | Developer | |
| RoboRaccoon | Developer | |
| Robocop | Developer | |
| Robomodo | Developer | |
| Robomondo | Developer | |
| Roboolet | Developer | |
| Robosaru Games | DeveloperPublisher | |
| Robosos | Developer | |
| Robot | DeveloperPublisher | |
| Robot Entertainment | Developer | |
| Robot Gentleman | DeveloperPublisher | |
| Robot Girlfriend | Developer | |
| Robot Invader | DeveloperPublisher | |
| Robot Loves Kitty | Developer | |
| Robot Riot | DeveloperPublisher | |
| Robot Rumble 2.0 | Developer | |
| Robot Senpai | Developer | |
| Robot'emUp! | Developer | |
| RobotBand | Developer | |
| RobotSpacePirate | Developer | |
| Robotic Machine | Developer | |
| Robotic Potato Games | Developer | |
| Robots and Stuff | Developer | |
| RobsonH | Developer | |
| Robster95 | Developer | |
| Robust Games | Developer | |
| Roby | Developer | |
| Roby Sherman | Developer | |
| Robyn Behan | Developer | |
| Roc Studios | Developer | |
| RocRac | Developer | |
| Roccat Games Studio | Developer | |
| Rochedostudios | Developer | |
| RocherSpeedrun | Developer | |
| Rock A Role Games | Developer | |
| Rock Bomber | Developer | |
| Rock Candy Games | Developer | |
| Rock Pocket Games | DeveloperPublisher | |
| Rock-Ola | Publisher | |
| Rock-ola | Publisher | |
| RockDaNut | Developer | |
| RockDotGames | Developer | |
| Rockclaw | Developer | |
| Rocket Adrift | Developer | |
| Rocket Company | DeveloperPublisher | |
| Rocket Jump Technology | Developer | |
| Rocket Monster Games | Developer | |
| Rocket Panda Games | Publisher | |
| Rocket Raw | Developer | |
| Rocket Science Games | DeveloperPublisher | |
| Rocket Science Productions | Developer | |
| Rocket Studio | DeveloperPublisher | |