| ASC Games NA | Publisher | |
| ASC GamesNA | Publisher | |
| ASCARON Entertainment | DeveloperPublisher | |
| ASCII | DeveloperPublisher | |
| ASCII Coproation | Publisher | |
| ASCII Corporation | DeveloperPublisher | |
| ASCII Corporation JP | Publisher | |
| ASCII CorporationJP | Publisher | |
| ASCII Entertainment | DeveloperPublisher | |
| ASCII Entertainment (JP) | Publisher | |
| ASCII EntertainmentJP | Publisher | |
| ASCII EntertainmentNA | Publisher | |
| ASCII Media Works | DeveloperPublisher | |
| ASCII Software | DeveloperPublisher | |
| ASCII Something Good | Publisher | |
| ASECC | Developer | |
| ASH2 | Developer | |
| ASHGAMES | Publisher | |
| ASK | DeveloperPublisher | |
| ASK Co Ltd. | Developer | |
| ASK Homework | Developer | |
| ASK Kodansha | DeveloperPublisher | |
| ASK Kodansha JP | Publisher | |
| ASK-Kodansha | Developer | |
| ASKGAMES | Developer | |
| ASKJP | Publisher | |
| ASKJP Midas Interactive EntertainmentEU | Publisher | |
| ASM game world | Developer | |
| ASMB Games | Developer | |
| ASNetworks | Publisher | |
| ASSAKER | Developer | |
| ASanzL | Developer | |
| ASaunders | Developer | |
| ASecondGuy | Developer | |
| ASé…± | Developer | |
| ATA_Games | Developer | |
| ATJ | Developer | |
| ATLAS | Developer | |
| ATMOS | Developer | |
| ATP Projects | Developer | |
| ATTACK MOUNTAIN | Developer | |
| ATU | Developer | |
| ATalbi | Developer | |
| ATangTuanZi | Developer | |
| AToTaT_Admin | Developer | |
| AU: 505 Games | Publisher | |
| AU: Nintendo Australia | Publisher | |
| AU: Popcorn Arcade | Publisher | |
| AU: Take-Two Interactive | Publisher | |
| AU: Tradewest | Publisher | |
| AUX-IN Games | Developer | |
| AV | Developer | |
| AVALANCHE | Developer | |
| AVARUUS | Developer | |
| AVAVT | Developer | |
| AVRGGY | Developer | |
| AWE Games | Developer | |
| AWE Productions | Developer | |
| AWK | Developer | |
| AWombatPlayingGames | Developer | |
| AYUSHMAN001 | Developer | |
| A_Fake_Studio | Developer | |
| A_Nameless_Tess | Developer | |
| A_Sandwich | Developer | |
| AaEsS | Developer | |
| Aabs | Developer | |
| Aackosoft | DeveloperPublisher | |
| Aakil Ahamed | Developer | |
| Aamon | Developer | |
| Aardman | Developer | |
| Aardman Animations | Developer | |
| Aardvark Software | Developer | |
| Aardvark Software (Jeff Caulder) | Developer | |
| AardvarkGames | Developer | |
| Aarjvark | Developer | |
| Aaron | Developer | |
| Aaron A. Reed | Developer | |
| Aaron Bekker-Dulmage | Developer | |
| Aaron Casey | Developer | |
| Aaron Chapin | Developer | |
| Aaron Demeter | Developer | |
| Aaron Desin | Developer | |
| Aaron Duke | Developer | |
| Aaron Hibberd | Developer | |
| Aaron Kaytor | Developer | |
| Aaron Lott | Developer | |
| Aaron Mzn | Developer | |
| Aaron Nemoyten | Developer | |
| Aaron Oldenburg | Developer | |
| Aaron Taecker-Wyss | Developer | |
| Aaron Wise | Developer | |
| Aaron Z. Best | Developer | |
| Aaron and Isaac Gruber | Developer | |
| AaronB | Developer | |
| AaronB123 | Developer | |
| AaronBacon | Developer | |
| AaronFimple | Developer | |
| AaronHughesCGD | Developer | |
| AaronMYoung | Developer | |
| AaronMakesGames | Developer | |
| Aaronar_gd | Developer | |
| Aaronmac64 | Developer | |
| Aarre Entertainment | Developer | |
| Aartform | Developer | |
| Aaryaman1211 | Developer | |
| Aaryaman1409 | Developer | |
| Aaush | Developer | |
| AavaGames | Developer | |
| Aayush Sharma | Developer | |
| Aayushrajjoshi | Developer | |
| AbaBabA | Developer | |
| Abalone Entertainment | Developer | |
| Abandon Interactive Entertainment | DeveloperPublisher | |
| Abandoned House Studios | Developer | |
| AbandonedUberDriver | Developer | |
| Abb1x | Developer | |
| Abbex Electronics | Publisher | |
| Abbey Games | Developer | |
| Abbie | Developer | |
| Abby Howard | Developer | |
| Abdelrhman Elkhashab | Developer | |
| Abdikarim | Developer | |
| Abdo25 | Developer | |
| Abdul | Developer | |
| Abdul Hafiz Ibrahim | Developer | |
| AbdulAziz | Developer | |
| AbdulRuhman Nabil | Developer | |
| Abdulaziz alnaghmoosh | Developer | |
| Abdullah Alsayed | Developer | |
| Abdullah Konash | Developer | |
| Abdullah707 | Developer | |
| AbdullahZeer | Developer | |
| Abdurrahman_kh | Developer | |
| Abeforth | Developer | |
| Abeju | Developer | |
| Abel RodrÃguez | Developer | |
| Abel Software | DeveloperPublisher | |
| Abellion | Developer | |
| AberrationStudios | Developer | |
| Abersoft | Developer | |
| Abersoft Limited | Developer | |
| Abhi_mehta | Developer | |
| AbhilashBadgujar | Developer | |
| Abhinav Arora | Developer | |
| Abhinav Saha | Developer | |
| AbhinavKDev | Developer | |
| Abinav Pallathoor | Developer | |
| AbjectFailures | Developer | |
| Abken | Developer | |
| Ablableu | Developer | |