| Title | Games |
 | Radical Entertainment
Location Unknown | 4 |
| Rainbow Studios
Location Unknown | 5 |
| Rare
Twycross, Leicestershire, UK | 22 |
| Ratbag Games
Adelaide, South Australia | 0 |
| Radon Labs
Berlin Germany | 1 |
| Rage Software
Liverpool UK | 0 |
| Raven Software
Madison, Wisconsin, USA | 6 |
| Razorworks
Oxfordshire, UK | 1 |
| Real Time Associates
Location Unknown | 0 |
| Real Time Worlds
Dundee, Scotland | 2 |
| Rebel Act
Location Unknown | 0 |
| Rebellion
UK | 4 |
| Red Storm Entertainment
Morrisville, NC, USA | 2 |
| Reflections Interactive
Location Unknown | 0 |
| Relic
Vancouver, Canada | 3 |
| Remedy Entertainment
Finland | 2 |
| Replay Studios
Hamburg, Germany | 2 |
| responDESIGN
Portland, OR | 0 |
| Revolution Software
UK | 0 |
| Rockstar Games
New York, USA | 4 |
| Rockstar North
Edinburgh, Scotland | 6 |
| Rockstar San Diego
San Diego, CA | 2 |
| Ronin Entertainment
Novato, CA | 0 |
| Runecraft
England, UK | 0 |
| Reflexive Entertainment
Location Unknown | 1 |
| Red Tribe
Location Unknown | 3 |
| Rockstar Vancouver
Location Unknown | 2 |
| Revistonic
Location Unknown | 1 |
| Reality Pump
Location Unknown | 2 |
| Rubicon Development
Location Unknown | 1 |
| Rocksteady Studios
Location Unknown | 6 |
| Running Pixel
Location Unknown | 2 |
| Radar Group
Location Unknown | 0 |
| Recom
Location Unknown | 1 |
| Reiser Games
Location Unknown | 1 |
| ralph78fr
Location Unknown | 2 |
| Reality Pump
Location Unknown | 1 |
| Ruffian Games
Location Unknown | 1 |
| RedLynx
Location Unknown | 3 |
| Red Eagle Games
Location Unknown | 0 |
| RTL
Location Unknown | 1 |
| Robomodo
Location Unknown | 5 |
| RodYan
Location Unknown | 1 |
| rece
Location Unknown | 1 |
| RyoShinji
Location Unknown | 1 |
| Raccoon456
Location Unknown | 2 |
| RIC
Location Unknown | 1 |
| reedake2
Location Unknown | 1 |
| Regolith Games
Location Unknown | 1 |
| Running With Scissors
Location Unknown | 1 |
| Runic Games
Location Unknown | 1 |
| Reverge Labs
Location Unknown | 1 |
| Relentless Software
Location Unknown | 3 |
| Robot Entertainment
Location Unknown | 1 |
| Rovio
Location Unknown | 13 |
| Ronimo Games
Location Unknown | 1 |
| Regista
Location Unknown | 1 |
| Realta Entertainment Group
Location Unknown | 1 |
| R3dDr4g0n
Location Unknown | 1 |
| ReaperGamingStudios
Location Unknown | 1 |
| Rising Star Games
Location Unknown | 0 |
| RogueRocket Games
Location Unknown | 3 |
| Reef Entertainment
Location Unknown | 0 |
| Red Fly Studios
Location Unknown | 1 |
| Revo Solutions
Location Unknown | 1 |
| Respawn Entertainment
Location Unknown | 1 |
|
HQ Network: 1,988 | 
Guests: 886 |
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