| RegaSLZR | Developer | |
| Regain Earth | Developer | |
| RegalPigeon | Developer | |
| Regal_Tails | Developer | |
| Regday NULL | Developer | |
| Regijur Games | Developer | |
| Regina V. Esteva | Developer | |
| Reginaldo_lima | Developer | |
| Regis Frey | Developer | |
| Regista | DeveloperPublisher | |
| Register | DeveloperPublisher | |
| Regl Studios | Developer | |
| Regnbueloev | Developer | |
| Regnslöja | Developer | |
| Regolith Games | Developer | |
| Regor Smash | Developer | |
| Regoro | Developer | |
| RegsaGC | Developer | |
| RegularSalamander | Developer | |
| Regularly Scheduled Programming | Developer | |
| Rei Dunamis | Developer | |
| ReiUnity | Developer | |
| Reign Bros | Publisher | |
| Reija Meriläinen | Developer | |
| Reikon Games | Developer | |
| ReimJ | Developer | |
| Reindeer | DeveloperPublisher | |
| Reine Works | Developer | |
| Reinhold_Kirkham | Developer | |
| Reinkout Games | Developer | |
| Reivaj Norbac | Developer | |
| Rejet | Developer | |
| Rek & Devine | Developer | |
| Rekim | Developer | |
| Rekiron | Developer | |
| Rekkuzan | Developer | |
| RelaX92 | Developer | |
| Related Designs | Developer | |
| Reldni Productions | Developer | |
| Relentless Software | Developer | |
| Relevo | Developer | |
| Relic Entertainment | Developer | |
| Relixes | Developer | |
| Reloaded Productions | Developer | |
| Reluctant Media | Developer | |
| Reludum | Developer | |
| Remdy Software | DeveloperPublisher | |
| Remedium Amoris | Developer | |
| Remedy Entertainment | DeveloperPublisher | |
| Remember | Developer | |
| RemembranceStudios | Developer | |
| Remerai | Developer | |
| Remi Herbulot | Developer | |
| Remi-chan | Developer | |
| Remicy | Developer | |
| Remimory | DeveloperPublisher | |
| Reminisce | DeveloperPublisher | |
| Remon | Publisher | |
| Remote Programming (Steve Elward) | Developer | |
| Remus | Developer | |
| Remus Rain | Developer | |
| RemyTheRat | Developer | |
| RemziStudios | Developer | |
| Remzo | Developer | |
| Ren Alex-Rose | Developer | |
| RenRu | Developer | |
| Renaissance Studio | Developer | |
| Renall | Developer | |
| Renan | Developer | |
| Renan Alves | Developer | |
| Renan Felipe | Developer | |
| Renan Jegouzo | Developer | |
| RenanVieira | Developer | |
| Renar | Developer | |
| Renato Civadelic | Developer | |
| Renato Ferreira | Developer | |
| Renaud Bédard | Developer | |
| Renaud_TGSTN | Developer | |
| Rencir | Developer | |
| RenderQuake Games | Developer | |
| Rendercode Games | DeveloperPublisher | |
| Rendered Spaces Studios | Developer | |
| Rendered Virus | Developer | |
| Renderfarm | Developer | |
| Reneah | Developer | |
| Reneator | Developer | |
| Renee Blair | Developer | |
| Renegade Kid | DeveloperPublisher | |
| Renegade Software | Publisher | |
| Renegade software | Publisher | |
| RenegadeCloud | Developer | |
| RenegadeOfficial+ | Developer | |
| Rengifs | Developer | |
| Renhui | Developer | |
| Renigen Games | Developer | |
| Renkinjutsu-shi | Developer | |
| Rennan24 | Developer | |
| Reno | Developer | |
| Renoki | Developer | |
| Renovation Game | Developer | |
| Renovation Products | Publisher | |
| Renovation ProductsNA | Publisher | |
| René | Developer | |
| René Abreu | Developer | |
| Repez | Developer | |
| Repixel8 | Publisher | |
| Replay Games | Developer | |
| Replay Studios | Developer | |
| Reply Forge | DeveloperPublisher | |
| RepoGames | Developer | |
| Reprobus [Tower and Moon] | Developer | |
| Repstad Computer Consultants | Developer | |
| Reptoid | Developer | |
| Reptoid Games | DeveloperPublisher | |
| Requios | Developer | |
| Res | Developer | |
| Res-Illusions (David Perry) | Developer | |
| ResQsoft Productions | Publisher | |
| Resadesker | Developer | |
| Rese Games | Developer | |
| Reset Media | Publisher | |
| Reset64 Magazine | Developer | |
| Resistance Records | DeveloperPublisher | |
| Resni | Developer | |
| Resonair | Developer | |
| Resonance Games | Developer | |
| ResonantGames | Developer | |
| Resonator | DeveloperPublisher | |
| Resongeo | Developer | |
| Respawn Entertainment | Developer | |
| Respondesign | DeveloperPublisher | |
| Restive Panda | Developer | |
| Restless | DeveloperPublisher | |
| Reston Publishing Company | Publisher | |
| Restory Studio | Publisher | |
| Resurrection Games | DeveloperPublisher | |
| Ret | Developer | |
| Retchy | Developer | |
| ReticulatedBantha | Developer | |
| Retora Games | Developer | |
| Retorox | Developer | |
| Retrific | Developer | |
| Retro | Developer | |
| Retro Army Limited | Developer | |
| Retro Beach Man | Developer | |
| Retro Cemetery | Developer | |
| Retro Games | DeveloperPublisher | |
| Retro Programmers Inside | Developer | |
| Retro Revolution | Developer | |
| Retro Studios | Developer | |
| Retro-Gaming Connexion | Publisher | |
| Retro64 | Developer | |
| RetroArch | Developer | |
| RetroBoi128 | Developer | |
| RetroDEV | Developer | |
| RetroEpic Software | Developer | |
| RetroExcellent | Developer | |
| RetroGamer | Developer | |
| RetroGears | Developer | |
| RetroHead | Developer | |
| RetroLord120 | Developer | |
| RetroMania Studios | DeveloperPublisher | |
| RetroSouls | Developer | |
| RetroSpaceMan123 | Developer | |
| RetroSteveUK | Developer | |
| RetroValou | Developer | |
| RetroYetiGames | Developer | |
| Retroactivos | Developer | |
| Retrocade Media | Developer | |
| Retrocky Studios | Developer | |
| RetrografX | Developer | |
| Retroguru | DeveloperPublisher | |
| Retroid Interactive | DeveloperPublisher | |
| Retromakes | Developer | |
| Retromaze | Developer | |
| Retronomicon Games Quality | Developer | |
| Retrosaur | Developer | |
| Retrotainment Games | DeveloperPublisher | |
| Retrowax | Developer | |
| Retrowynn | Developer | |
| Retsa Games | Developer | |
| RetsynNL | Developer | |
| Return Null | Developer | |
| Reunion des Musees Nationaux | Publisher | |
| ReunionMacabra | Developer | |
| RevEng | Developer | |
| Reval Indie House | Developer | |
| Revanix | Developer | |
| ReveVoodoo | Developer | |
| Revell | Publisher | |
| Revelplay Interactive | Developer | |
| Reverb Triple XP | Publisher | |
| ReverbInTheVoid | Developer | |
| Reverge Labs | Developer | |
| Reverie Forge | Developer | |
| Reverie World Studios | Developer | |
| ReverseTides | Developer | |
| Revetron | Developer | |
| Reveu Games | Developer | |
| Revistronic | Developer | |