Companies
- Rockstar London
- Rockstar North
- Rockstar San Diego
- Rockstar Toronto
- Rockstar Vancouver
- Rockstar Vienna
- Rocksteady Studios
- Rogue Factor
- Rogue Games
- Rokaplay
- Roll7
- Romero Games
- Rovio Entertainment
- RyseUp Studios
- Ryu Ga Gotoku Studio
- S-Game
- Saber Interactive
- Sabotage Studio
- Samsung Electronics
- Sandfall Interactive
- Santa Monica Studio
- Sanzaru Games
- Savage Entertainment
- Savage Game Studios
- SCE Japan Studio