| Title | Games |
 | A2M
Montreal, QC Canada | 2 |
| | Acclaim Studios
Austin, Texas | 0 |
| | Activision
Santa Monica CA | 41 |
| | Adrenium Games
Location Unknown | 0 |
| | Akella
Russia | 1 |
| | Aki Corp
Location Unknown | 0 |
| | Atari Inc
Location Unknown | 8 |
| | Argonaut Games
London UK | 0 |
| | Avalanche Software
Salt Lake City, Utah | 8 |
| | Acclaim Entertainment
Location Unknown | 0 |
| | Amaze Entertainment
Location Unknown | 1 |
| | Amusement Vision
Location Unknown | 0 |
| | Amuze
Stockholm, Sweden | 0 |
| | Anchor
Japan | 0 |
| | Andamiro Entertainment
Seoul, Korea | 0 |
| | Angel Studios
Location Unknown | 0 |
| | Appaloosa Interactive
Location Unknown | 0 |
| | Arc Systems
Austin, Texas | 1 |
| | Arkane Studios
Location Unknown | 4 |
| | Artech Studios
Location Unknown | 3 |
| | Artoon Co
Japan | 1 |
| | Asobo Studios
Bordeaux, France | 1 |
| | Asylum Entertainment
London, UK | 0 |
| | Atlus Software
Irvine, CA | 6 |
| | Atomic Planet
UK | 0 |
| | Awesome Studios
Location Unknown | 0 |
| | Aquire
Japan | 1 |
| | AQ Interactive
Japan | 1 |
| | artdink
Location Unknown | 0 |
| | Artdink
Tsukishima, Tokyo | 1 |
| | Alchemic Productions
Location Unknown | 0 |
| | ArcSystemWorks Co.
Location Unknown | 3 |
| | Alpha System
Location Unknown | 0 |
| | Artificial Mind
Location Unknown | 2 |
| | Autonomous Productions
Location Unknown | 0 |
| | Atomic Elbow
Sweden | 1 |
| | A.C.R.O.N.Y.M. Games Inc.
Location Unknown | 1 |
| | Alfa System
Location Unknown | 1 |
| | Artificial Studios
Location Unknown | 2 |
| | Airtight Games
Location Unknown | 3 |
| | Access Games
Location Unknown | 2 |
| | Arika
Location Unknown | 1 |
| | Ascaron Ent. GmbH
Location Unknown | 1 |
| | Archor Games
Location Unknown | 1 |
| | Arrogancy games
Location Unknown | 2 |
| | Ankama Games
Location Unknown | 1 |
| | Antab
Location Unknown | 1 |
| | arcarocket
Location Unknown | 2 |
| | Absobo Studio
Location Unknown | 1 |
| | Atomic Games
Location Unknown | 2 |
| | Aaron Ramsey
Location Unknown | 1 |
| | Arc System Works
Location Unknown | 6 |
| | Angelo Pelini
Location Unknown | 1 |
| | Angel
Location Unknown | 1 |
| | Adrenalin
Location Unknown | 0 |
| | Atomic Motion
Location Unknown | 1 |
| | Aspyr
Location Unknown | 1 |
| | Agent MOO
Location Unknown | 1 |
| | ACE
Location Unknown | 2 |
| | ASuperSonic
Location Unknown | 1 |
| | ACRONYM
Location Unknown | 1 |
| | Arkedo
Location Unknown | 5 |
| | Azubi
Location Unknown | 1 |
| | Aztec
Location Unknown | 1 |
| | AxB
Location Unknown | 1 |
| | AlMra
Location Unknown | 1 |
| | Acony Games
Location Unknown | 1 |
| | Asobo Studio
Location Unknown | 5 |
| | Alaware Entertainment
Location Unknown | 1 |
| | ACQUIRE Corp.
Location Unknown | 2 |
| | Apex Systems
Location Unknown | 1 |
| | A-Steroids
Location Unknown | 1 |
| | Armature Studio
Location Unknown | 1 |
| | Arkadium
Location Unknown | 4 |
| | ACE Team
Location Unknown | 1 |
| | Anuman Interactive
Location Unknown | 3 |
|
HQ Network: 7,729 | 
Guests: 4962 |
Members: 1
