| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| Regionalgruppe Nord | Germany | 0.00 ±0.0 | |||
| Relag | 0.00 ±0.0 | ||||
| REMiX Soft Ltd. | Poland | 0.00 ±0.0 | |||
| Resource Software International | 0.00 ±0.0 | ||||
| Reston Publishing Company, Inc. | 0.00 ±0.0 | ||||
| Resurrection | Poland | 0.00 ±0.0 | |||
| Retobor | 0.00 ±0.0 | ||||
| Retronics | 0.00 ±0.0 | ||||
| RetroZock | 0.00 ±0.0 | ||||
| Rhea Creative Marketing, Inc. | 0.00 ±0.0 | ||||
| Rheinland-Pfälzische Atari Maniacs | Germany | 0.00 ±0.0 | |||
| Rhiannon Software | 0.00 ±0.0 | ||||
| Richwood Software | 0.00 ±0.0 | ||||
| Ricolasoft | 0.00 ±0.0 | ||||
| Ringblack Software | 0.00 ±0.0 | ||||
| Ripsoft | United Kingdom | Salford | 0.00 ±0.0 | ||
| Rising Star Software | 0.00 ±0.0 | ||||
| RJF Software Company | 0.00 ±0.0 | ||||
| RLM Micro Systems | United States | 0.00 ±0.0 | |||
| RMP Software | 0.00 ±0.0 |
