| Rubescen | Developer | |
| Rubicon Development | DeveloperPublisher | |
| Rubin | Developer | |
| Rubio's Games | Developer | |
| Ruby Party | Developer | |
| RubyDev_Lin | Developer | |
| RubyNova | Developer | |
| Rubyknight | Developer | |
| Rucksack | Developer | |
| Rucky Games | Developer | |
| Rud156 | Developer | |
| Rudder Games | Developer | |
| RudeCoffee | Developer | |
| RudeShrimpStudios | Developer | |
| Rudest Jade | Developer | |
| Rudeware | DeveloperPublisher | |
| Rudi Prentice | Developer | |
| Rudi451 | Developer | |
| Rudra Nil Basu | Developer | |
| Rue Lazzaro | Developer | |
| Ruffian Games | Developer | |
| Rufflerim | Developer | |
| RugbugRedfern | Developer | |
| RuhanPotgieter | Developer | |
| Ruhken | Developer | |
| Rui Ting | Developer | |
| Rui.Yang | Developer | |
| Ruka | Developer | |
| Rukii | Developer | |
| Rukkaitto | Developer | |
| Rukomura Games | Developer | |
| Rulf Foxton | Developer | |
| Rulrite | Developer | |
| Rumberto | Developer | |
| Rumblecade | Developer | |
| Rumis | Developer | |
| Rumpelstompskin | Developer | |
| Rumpus Animation | Developer | |
| Rumsey_The_Hobo | Developer | |
| Rumywanderung | Developer | |
| Run | Developer | |
| Run Dot Games | Developer | |
| Run Hanako | Developer | |
| RunByCoffee | Developer | |
| Runa Liore | Developer | |
| Runa Yauw | Developer | |
| Runami | Developer | |
| RunandFun | Developer | |
| Runboost Games | Developer | |
| Rundisc | DeveloperPublisher | |
| 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 | |