DEVELOPERS
- Racdym
- Radiance
- Radical Entertaiment
- Radical Entertainment
- Radical Entertainment Inc
- Radius9
- Rage
- Rage Software
- Rage Software Limited
- Rage Software Ltd
- Rainbow Arts
- Rainbow Studios
- Raising Hell
- Raizing
- Rakish
- Random House
- Rare Ltd.
- Raster
- Raven Software
- RayForce Inc
- Raylight Studios
- Razorback Developments
- Razorsoft
- Ready Soft
- Realism Ltd
- Realtec
- Realtime Associates
- Realtime Associates Inc
- Rebellion
- Recreational Brainware
- Red 5 Software
- Red Company
- RED Entertainment
- Red Lemon Studios
- Red Rat Software, Ltd.
- Red Storm Entertainment
- Red Zone Interactive, Inc
- Redline Games
- Refine Textile
- Reflections Interactive
- Reflections Interactive Limited
- Reindeer (Ecole)
- Renovation
- Revolution Software
- RFX Interactive
- Rhythm & Hues, Inc
- Ride On
- Right Stuff
- Ringler Studios
- Riot
- Rit's
- Rivage Games
- River Hill Software
- Riverhill Soft
- Riverhillsoft
- Robin Antonick Games, L.L.C
- Robot
- Rocket Company
- Rocket Science Games
- Rocket Science Production
- Rockstar Leeds
- Rokumendo
- Romstar
- Ron
- Ron Group
- RSP
- Runecarft / Black Isle Studios
- Runecraft
- Runecraft/Asylum Entertainment
- Runecraft, Ltd
- Rythmics