| Title | Games |
 | Radical Entertainment
Location Unknown | 3 |
| Rainbow Studios
Location Unknown | 4 |
| Rare
UK | 9 |
| 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
UK | 3 |
| Rebel Act
Location Unknown | 0 |
| Rebellion
UK | 2 |
| Red Storm Entertainment
Morrisville, NC, USA | 2 |
| Reflections Interactive
Location Unknown | 0 |
| Relic
Vancouver, Canada | 1 |
| Remedy Entertainment
Finland | 1 |
| Replay Studios
Hamburg, Germany | 2 |
| responDESIGN
Portland, OR | 0 |
| Revolution Software
UK | 0 |
| Rockstar Games
New York, USA | 2 |
| Rockstar North
Location Unknown | 4 |
| Rockstar San Diego
San Diego, CA | 2 |
| Ronin Entertainment
Novato, CA | 0 |
| Runecraft
England, UK | 0 |
| Reflexive Entertainment
Location Unknown | 2 |
| Red Tribe
Location Unknown | 3 |
| Rockstar Vancouver
Location Unknown | 1 |
| Revistonic
Location Unknown | 1 |
| Reality Pump
Location Unknown | 1 |
| Rubicon Development
Location Unknown | 1 |
| Rocksteady Studios
Location Unknown | 1 |
| Rocksteady Studios
Location Unknown | 0 |
| Running Pixel
Location Unknown | 1 |
| Revistonic
Location Unknown | 1 |
| Radar Group
Location Unknown | 1 |
| Recom
Location Unknown | 1 |
| Reiser Games
Location Unknown | 1 |
| ralph78fr
Location Unknown | 2 |
| Running Pixel
Location Unknown | 1 |
| Reality Pump
Location Unknown | 1 |
| Ruffian Games
Location Unknown | 1 |
| RedLynx
Location Unknown | 1 |
| Red Eagle Games
Location Unknown | 1 |
| RTL
Location Unknown | 1 |
| Robomodo
Location Unknown | 1 |
| RodYan
Location Unknown | 1 |
| rece
Location Unknown | 1 |
| RyoShinji
Location Unknown | 1 |
| Raccoon456
Location Unknown | 1 |
| RIC
Location Unknown | 1 |
| Raccoon456
Location Unknown | 1 |
|
Live Chat: 11 |
Guests: 1252 |
Bungie's popular first-person shooter makes its debut on the Xbox 360 with Halo 3.
