Companies
- Rocket Rat Games
- ROCKFISH Games
- Rocksolid Games
- Rockstar
- Rockstar Games
- Rockstar Leeds
- Rockstar London
- Rockstar North
- Rockstar San Diego
- Rockstar Toronto
- Rockstar Vancouver
- Rockstar Vienna
- Rocksteady Studios
- Rogue Entertainment
- Rogue Factor
- Rogue Sun
- Roll7
- Rose City Games
- rose-engine
- Round 8 Studio
- Roundhouse Studios
- Route 59
- Rovio Entertainment
- Rovio Mobile Ltd
- Ruffian Games