- Rezo Zero
- RowlesCorp Studios
- Rayhouse Productions
- Rock Cow Productions
- Roccat Games Studio
- Rake in Grass
- REL Games
- Rockstar Games
- Rockstar North
- Rovio Entertainment Ltd
- Rebelephant
- Red Dwarf Games
- Roland Studios
- Running With Scissors
- Robot Invader
- Razorworks
- Radcroc
- Rad Codex
- Rovango Studio
- Rocking Hamster
- River Studios
- Right Nice Games
- realities.io
- Red Entertainment