- RealAxis Software
- RiDeLy
- Rock Pocket Games
- Remedy
- Redwood Games
- Red Nexus Games Inc.
- Retro Reactor
- RigidCore Games
- RiftyGames
- Runesoft GmbH
- Risen Phoenix Studios
- Retardia Games
- René Bühling
- Royal Troupe
- Rubycone
- Rückert Broductions
- Replay Studios
- Rainbow Studios
- Raymond Leung
- ReverseGames
- Romans I XVI Gaming, LLC
- Raving Bots
- Rumata Lab
- radiostatic