The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- BiP Media (Developer) (2 members)
- BiP Media (Publisher) (1 member)
- Biart (Developer) (1 member)
- Big Ant Studios (Developer) (8 members)
- Big Ant Studios (Publisher) (3 members)
- Big Head Games (Developer) (1 member)
- Big Head Games (Publisher) (1 member)
- Big Huge Games (Developer) (1 member)
- Big Sandwich Games (Developer) (1 member)
- Big Sandwich Games (Publisher) (1 member)
- Bigben Interactive (Publisher) (21 members)
- Bimboosoft (Developer) (1 member)
- Bimboosoft (Publisher) (1 member)
- BioShock (Series) (3 members)
- BioWare (Developer) (6 members)
- Bionic Commando (Series) (3 members)
- BitComposer (Developer) (1 member)
- BitComposer Games (Publisher) (8 members)
- BitComposer Interactive (Developer) (1 member)
- Bizarre Creations (Developer) (3 members)