| Groups (developers) | Abbr. | Country | City | Rating | |
|---|---|---|---|---|---|
| ACG | 0.00 ±0.0 | ||||
| Acid Team | Poland | Warsaw (Warszawa) | 0.00 ±0.0 | ||
| ACME Software | 0.00 ±0.0 | ||||
| ACORN | 0.00 ±0.0 | ||||
| ACP | 0.00 ±0.0 | ||||
| Action Computers Services | 0.00 ±0.0 | ||||
| Action Graphics | 0.00 ±0.0 | ||||
| Action Software | 0.00 ±0.0 | ||||
| Activision | 0.00 ±0.0 | ||||
| Activision (USA) | 0.00 ±0.0 | ||||
| Activity Records, Inc. | 0.00 ±0.0 | ||||
| AD 400 | 0.00 ±0.0 | ||||
| ADDiCT | Poland | 0.00 ±0.0 | |||
| Addison-Wesley Publishers Limited | 0.00 ±0.0 | ||||
| Adisoft | 0.00 ±0.0 | ||||
| Admacadiam Software | 0.00 ±0.0 | ||||
| Adult Video Games | 0.00 ±0.0 | ||||
| Adventure-Soft International | 0.00 ±0.0 | ||||
| AEC | 0.00 ±0.0 | ||||
| Agenda | Poland | Czanstochova (Częstochowa) | 0.00 ±0.0 |
