| 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 | |