| Ronald L. Crabb | Developer | |
| Ronald Rhodes | Developer | |
| Ronald T. Blocher | Developer | |
| RonanBouziane | Developer | |
| RonanH | Developer | |
| RonanVallee | Developer | |
| RonbldNotBabe | Developer | |
| Rondaar | Developer | |
| Rondomedia | DeveloperPublisher | |
| Ronflax | Developer | |
| Rongefilet | Developer | |
| Ronimo Games | DeveloperPublisher | |
| Ronin Entertainment | Developer | |
| RoninGameDev | Developer | |
| Ronnel Salgado | Developer | |
| Ronnie Sallan | Developer | |
| Ronny Fowles | Developer | |
| Ronny Wester | DeveloperPublisher | |
| RonoarZERO | Developer | |
| RonojoyMitra | Developer | |
| Ronove | Developer | |
| Rony Tama Games | Developer | |
| Roo | Developer | |
| Roobicorn | Developer | |
| Rooftop Panda | Publisher | |
| Rooftops Revolution | Developer | |
| Rooie | Developer | |
| Roolandoo | Developer | |
| Roolow | Developer | |
| Room 19 | Developer | |
| Room UnInstall | Developer | |
| Room of Snakes | Developer | |
| Room6 | Publisher | |
| Room710Games | DeveloperPublisher | |
| Room_001 | Developer | |
| Roomah Gaming | Developer | |
| Roommate Project | Developer | |
| Rooms4Rockets | Developer | |
| Rooof | Developer | |
| Roopkotha Studio | Developer | |
| Rooster Teeth Games | DeveloperPublisher | |
| Root | Developer | |
| Rootify | Developer | |
| Rootin' Tootin' | Developer | |
| Rootlan | Developer | |
| RootlessStudio | Developer | |
| Rortos | DeveloperPublisher | |
| Rory C. Green | Developer | |
| Rory Green | Developer | |
| Rosa Carbo-Mascarell | Developer | |
| Rosaita W | Developer | |
| Rosden Shadow | Developer | |
| Rose | Developer | |
| Rose Arcana Games | Developer | |
| Rose City Games | Publisher | |
| Rose Mountain Games | Developer | |
| RoseSoup | Developer | |
| Rose_Guardian | Developer | |
| Rosequartzklein | Developer | |
| Roseto | Developer | |
| Roseverte | Developer | |
| Rosewater Games | Developer | |
| Rosie_Mable | Developer | |
| Rosin Entertainment | Developer | |
| Ross | Developer | |
| Ross Grams | Developer | |
| Ross Harris | Developer | |
| Rossman Bros Games | Developer | |
| RosstheBoss0 | Developer | |
| Rotagg | Developer | |
| Rotating Pyramid | Developer | |
| RotemEshet | Developer | |
| Rothers | Developer | |
| Rotobee | Developer | |
| Rotorcross | Developer | |
| Rotorist | Developer | |
| RottaGod_X | Developer | |
| RottenFish | Developer | |
| Rotten_games | Developer | |
| RotundMammoth | Developer | |
| Roucasse | Developer | |
| Rough Skin | Developer | |
| Rough Trade | Publisher | |
| Rough Trade (PlayStation 2 game designer)Rough Trade | Publisher | |
| Rouhana | Developer | |
| Roukurai | Developer | |
| Rouli | Developer | |
| RoundHouseStudios | Developer | |
| RoundOwlGames | Developer | |
| RoundTableStudio | Developer | |
| RourkeBywater | Developer | |
| Rousingaker | Developer | |
| Route 1 Games | Developer | |
| Route 59 | DeveloperPublisher | |
| Route 59 Games | Developer | |
| Route24 | Developer | |
| Route5Games | Developer | |
| Roveldo | Developer | |
| Rovio Entertainment | DeveloperPublisher | |
| Row' | Developer | |
| RowDaBoat | Developer | |
| Rowahn | Developer | |
| Rowan Crawford | Developer | |
| Rowan Software | Developer | |
| RowdyLemon | Developer | |
| Rowell | Developer | |
| Rowing | Developer | |
| RoxXx88 | Developer | |
| Roxanne Brooke | Developer | |
| RoxianoCreations | Developer | |
| Roxicaro | Developer | |
| Roxor Games | DeveloperPublisher | |
| Roxy Hyperlink | Developer | |
| Roxy22 | Developer | |
| RoxyRypler | Developer | |
| Roy Blakely | Developer | |
| Roy Carter | Developer | |
| Roy Gibson | Developer | |
| Roy Stead | Developer | |
| Royal Area | Developer | |
| Royal Den Studios | Developer | |
| Royal Flush | Developer | |
| Royal Kougyou | Publisher | |
| Royal Papaya! | Developer | |
| Royal Polygon | Developer | |
| Royal Potato Studio | Developer | |
| Royal Tomato Games | Developer | |
| Royal Visio | Publisher | |
| Royex1 | Developer | |
| Roysterini | Developer | |
| Roz | Developer | |
| RozArai | Developer | |
| RozanBR | Developer | |
| RozeyBozzy | Developer | |
| Rozner Labs | Developer | |
| RryanT | Developer | |
| Rtmata | Developer | |
| RuanHang | Developer | |
| Ruari O'Sullivan | Developer | |
| Rubeki | Developer | |
| Rubel | Developer | |
| Ruben | Developer | |
| Ruben Ferdinand | Developer | |
| Ruben Gardiner | Developer | |
| Ruben Rubio | Developer | |
| Ruben Tipparach | Developer | |
| RubenDev | Developer | |
| RubenJast | Developer | |
| RubenLeviDias | Developer | |
| RubenMG | Developer | |