DEVELOPERS
- Racdym
- Radiance
- Radical Entertainment
- Radius9
- Rage Software
- Rainbow Arts
- Rainbow Studios
- Raising Hell
- Raizing
- Random House
- Rare Ltd.
- Raster
- Raylight Studios
- Razorback Developments
- Razorsoft
- Realism Ltd
- Realtec
- Realtime Associates
- Rebellion
- Recreational Brainware
- Red 5 Software
- RED Entertainment
- Red Rat Software, Ltd.
- Red Storm Entertainment
- Redline Games
- Reflections Interactive
- Renovation
- Revolution Software
- RFX Interactive
- Ride On
- Right Stuff
- Ringler Studios
- Riot
- Rivage Games
- Riverhillsoft
- Rocket Company
- Rocket Science Games
- Rocket Science Production
- Rockstar Leeds
- Rokumendo
- Romstar
- RSP
- Runecraft