| Bitecore | DeveloperPublisher | |
| Bitfinity | DeveloperPublisher | |
| Bitforge | Publisher | |
| Bithell Games | DeveloperPublisher | |
| Biting Mascot | Developer | |
| Bitmap Brothers | DeveloperPublisher | |
| Bitmap Bureau | DeveloperPublisher | |
| Bitmap Galaxy | Developer | |
| BitmasKing | Developer | |
| Bitmasters | Developer | |
| Bitmesh | Developer | |
| Bitoniau | Developer | |
| Bitron | Developer | |
| Bits & Beasts | Developer | |
| Bits Art | Publisher | |
| Bits Corporation | Developer | |
| Bits Laboratory | Developer | |
| Bits Studio | Developer | |
| Bits Studios | Developer | |
| Bits of Magic | Developer | |
| Bitsmasters | Developer | |
| Bitsmitten Studios | Developer | |
| Bitstep | Developer | |
| Bitten Toast Games | DeveloperPublisher | |
| BitterMoss Games | Developer | |
| Bitterly Indifferent | Developer | |
| BittersweetGames | Developer | |
| Bitumenarts | Developer | |
| Bitway | Publisher | |
| Bitzawolf | Developer | |
| Bit² | DeveloperPublisher | |
| Biustar Games | Developer | |
| Bivium | Developer | |
| Bizarre Computer Productions | Developer | |
| Bizarre Computer Productions (Martin Severn, Sonic Graffiti) | Developer | |
| Bizarre Creations | Developer | |
| Bizarre Developments | Developer | |
| Bizarre Developments (Richard Stevenson, Mike Lister, Paul Bellamy) | Developer | |
| Bizarre Developments (Richard Stevenson, Paul Bellamy) | Developer | |
| Bizarre Developments (Richard Stevenson, Paul Bellamy, Mike Lister) | Developer | |
| BizioBizio | Developer | |
| BizmasterStudios | Developer | |
| Bizmolex | Developer | |
| Bjoerklund | Developer | |
| Bjorn Toreld | Developer | |
| Björn Spruck | DeveloperPublisher | |
| Bl4ckRose | Developer | |
| Bl4ckSh33p-Soft | Developer | |
| Blaby Computer Games | Publisher | |
| Blaby Software | Publisher | |
| Black | Developer | |
| Black Bean | Publisher | |
| Black Bean Games | DeveloperPublisher | |
| Black Bean GamesPAL | Publisher | |
| Black Book Arts Games | Developer | |
| Black Box | Developer | |
| Black Box Games | Developer | |
| Black Cactus | Developer | |
| Black Cat Tales | Developer | |
| Black Corporation | Developer | |
| Black Dog Serenade | Developer | |
| Black Dragon Productions | DeveloperPublisher | |
| Black Element Software | Developer | |
| Black Ember Studio | Developer | |
| Black Eyed Priest Games | Developer | |
| Black Finch | Developer | |
| Black Forest Games | DeveloperPublisher | |
| Black Fox Entertainment | Developer | |
| Black Fox Studios | Developer | |
| Black Frog Studios | Developer | |
| Black Garlic | Developer | |
| Black Goby Games | Developer | |
| Black Hammer Game | Developer | |
| Black Hole Entertainment | Developer | |
| Black Hole Games | Developer | |
| Black Inc. | Publisher | |
| Black Isle Studios | DeveloperPublisher | |
| Black Knight Software (John A. White) | Developer | |
| Black Knight Software (Simon Morris) | Developer | |
| Black Lab Games | Developer | |
| Black Label Games | Publisher | |
| Black Label GamesEU,NA | Publisher | |
| Black Land Studio | Developer | |
| Black Lantern Studios | DeveloperPublisher | |
| Black Legend | Publisher | |
| Black Legend Software | Publisher | |
| Black Magic Software | Developer | |
| Black Mamba Studio | Developer | |
| Black Market Games | Developer | |
| Black Mastiff Studio | Developer | |
| Black Mesa team | Developer | |
| Black Nest | Developer | |
| Black Ops Entertainment | DeveloperPublisher | |
| Black Package | DeveloperPublisher | |
| Black Pants Studio | Developer | |
| Black Parable | Developer | |
| Black Pearl Software | DeveloperPublisher | |
| Black Pearl Software (NA) | Publisher | |
| Black Pearl Software NA | Publisher | |
| Black Potion | Developer | |