| Against Gravity | DeveloperPublisher | |
| Agar | Developer | |
| Agar3s | Developer | |
| Agashi | Developer | |
| Agat Films & Cie | Developer | |
| Agate | Developer | |
| Agatsuma Entertainment | DeveloperPublisher | |
| Agecaf | Developer | |
| Agency Automation | Publisher | |
| Agenda | DeveloperPublisher | |
| Agens | Developer | |
| AgentAPM | Developer | |
| AgentNumberOne | Developer | |
| AgentXMan | Developer | |
| Agent_Mahoney | Developer | |
| Agetec | DeveloperPublisher | |
| Agetec Inc. | DeveloperPublisher | |
| Agetec Inc.EU,NA | Publisher | |
| Agetec Inc.NA | Publisher | |
| Agetec NA | Publisher | |
| Agetec, Inc. | Publisher | |
| AgetecEU | Publisher | |
| AgetecEU,NA | Publisher | |
| AgetecNA | Publisher | |
| AgetecPAL,NA | Publisher | |
| AgetecUS | Publisher | |
| Agger Interactive | Developer | |
| Aggressive Combustion | Developer | |
| Aggro Crab Games | Developer | |
| Aghmat | Developer | |
| Agile Drill Games | Developer | |
| AgileStudio | Developer | |
| Agua Hervida | Developer | |
| Agumix | DeveloperPublisher | |
| Agust Mani Joelsson | Developer | |
| Agustin0987 | Developer | |
| Agustinzero1 (ZGA Productions) | Developer | |
| Ah Young Joo | Developer | |
| AhSpike | Developer | |
| Aheartfulofgames | Developer | |
| Ahi-Rine | Developer | |
| Ahmad Jalal YT | Developer | |
| Ahmad Kalach | Developer | |
| Ahmed Ali | Developer | |
| Ahmed Elshazly | Developer | |
| Ahmed Khalifa (Amidos) | Developer | |
| Ahmed137 | Developer | |
| AhmedHaddaji | Developer | |
| AhmedMansy | Developer | |
| Ahmet Kamil Keleş | Developer | |
| Ahmet Yağız | Developer | |
| Ahmet Zahit Dönmez | Developer | |
| Ahnixware | Developer | |
| AhoGames | Developer | |
| Ahoy! GameStudio | Developer | |
| Ahr Ech | Developer | |
| Ahzed Studio | Developer | |
| Ai Space Production Committee | DeveloperPublisher | |
| AiLive | Developer | |
| Aiaz Marx | Developer | |
| AichDee | Developer | |
| Aichi | Developer | |
| Aicom | DeveloperPublisher | |
| Aicom (JP) | Publisher | |
| Aidan | Developer | |
| Aidan Markham | Developer | |
| Aidan Takami | Developer | |
| Aidan Walsh | Developer | |
| Aidin Zolghadr | Developer | |
| Aiet | Developer | |
| Aihasto | Developer | |
| Aik Beng | Developer | |
| Aikasa Collective | Developer | |
| AikonCWD | Developer | |
| Aiky | Developer | |
| Ail-Soft | Developer | |
| Ailten | Developer | |
| Aimception_Ale | Developer | |
| Aimee Williams | Developer | |
| Aiming Inc. | DeveloperPublisher | |
| Ainhur | Developer | |
| Air-N | Developer | |
| Airapport | Developer | |
| Airborne | DeveloperPublisher | |
| Airborne_Manatee | Developer | |
| Airdorf | Developer | |
| Airem | Developer | |
| Airline Software (Steven J. Howlett) | Developer | |
| Airodene | Developer | |
| Airship Syndicate | Developer | |
| Airstrip-One | Publisher | |
| Airsystem Tokyo | Developer | |
| Airtight Games | Developer | |
| Airtight Games, | Developer | |
| Airwave Adventure | Publisher | |
| Aisem | Developer | |
| Aisha AL-Thani | Developer | |
| Aishin | Developer | |
| Aisle 2 | Developer | |
| Aist | Developer | |