| 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 | |