| RuneCraft Ltd. | Developer | |
| RuneHeads | Developer | |
| Runecraft | Developer | |
| Runeheads | Developer | |
| Runestone Game Development | DeveloperPublisher | |
| Runestone Games | DeveloperPublisher | |
| Runic Games | DeveloperPublisher | |
| RunicRhythm | Developer | |
| Runner Duck | Developer | |
| Runner Duck Games | Developer | |
| Running Dog Software | Developer | |
| Running with Scissors | Developer | |
| Runny-Fun | Developer | |
| Runt time | DeveloperPublisher | |
| Runtime | Developer | |
| Rupert Bowater | Developer | |
| RupertWiser | Developer | |
| Rural_Penguin | Developer | |
| RushGames | Developer | |
| RushHourDream | Developer | |
| RushMaverick | Developer | |
| Rushiplays | Developer | |
| RusnakLab. | Developer | |
| Russ Beaton | Developer | |
| RussMoonbase | Developer | |
| Russco | DeveloperPublisher | |
| Russel | DeveloperPublisher | |
| Russel Corporation | DeveloperPublisher | |
| Russell Jones | Developer | |
| Russell Kay | Developer | |
| Russell Newman | Developer | |
| Russellheimer | Developer | |
| Russian Gamedevelopment Community | Developer | |
| RussianGamers | Developer | |
| Russobit-M | Publisher | |
| Rustdiamond_games | Developer | |
| Rustimak | Developer | |
| RustingRobot | Developer | |
| Rusto | DeveloperPublisher | |
| Rusty Bailey | Developer | |
| Rusty Bolt | DeveloperPublisher | |
| Rusty Johnson | Developer | |
| Rusty Lake | Developer | |
| Rusty Moyher | Developer | |
| RustyMoon | Developer | |
| RustyNail_101 | Developer | |
| RustyRocket | Developer | |
| Ruszard | Developer | |
| Ruten no Oheya | Developer | |
| Ruth | Developer | |