| Blue Planet Software | Developer | |
| Blue Print | DeveloperPublisher | |
| Blue Renderer Entertainment | Publisher | |
| Blue Renderer Production Studio | Developer | |
| Blue Ribbon | Publisher | |
| Blue Ribbon Software | DeveloperPublisher | |
| Blue Shift | Developer | |
| Blue Sky Productions | Developer | |
| Blue Sky Software | Developer | |
| Blue Sphere | Developer | |
| Blue Sphere Games | Developer | |
| Blue Stadium Games | Developer | |
| Blue Sunset Games | DeveloperPublisher | |
| Blue Tongue | Developer | |
| Blue Tongue Entertainment | Developer | |
| Blue Turtle | Developer | |
| Blue Wanderer | Developer | |
| Blue Wizard Digital | Developer | |
| Blue05 | Developer | |
| Blue2 | Developer | |
| Blue94 | Developer | |
| BlueAppaloosa | Developer | |
| BlueBee | Developer | |
| BlueBirb | Developer | |
| BlueBunnex | Developer | |
| BlueCandleGames | Developer | |
| BlueChronicle | Developer | |
| BlueG | Developer | |
| BlueHats | Developer | |
| BlueJackalope | Developer | |
| BlueKeyGames | Developer | |
| BlueLumin | Developer | |
| BlueMoon (Nebula Games) | Developer | |
| BlueMouseArcade | Developer | |
| BlueOctopus | Developer | |
| BlueOmenDev | Developer | |
| BlueRavenProductions | Developer | |
| BlueSky Software | Developer | |
| BlueSquirrel | Developer | |
| BlueTitanium | Developer | |
| BlueTreeStudios | Developer | |
| BlueWinds | Developer | |
| BlueWizard | Developer | |
| BlueWizard112 | Developer | |
| Blueberry Mauro | Developer | |
| Blueberry Soft | Developer | |
| Bluebomberultra | Developer | |
| Bluehell Productions | DeveloperPublisher | |
| Bluehole | Developer | |
| Bluemoon | Developer | |
| Bluepoint Games | Developer | |
| Blueshift | Developer | |
| BlueshiftInteractiveLLC | Developer | |
| Blueside | Developer | |
| Bluesnow Games | Developer | |
| Bluestone Interactive | Developer | |
| Bluetail7 | Developer | |
| Bluey | Developer | |
| BluishGreenPro | Developer | |
| BlunT76 | Developer | |
| Blunderboffins | Developer | |
| Blunt | Developer | |
| Blunt Damage | Developer | |
| Blunt Instrument | Developer | |
| Bluntteh | Developer | |
| BlurredGames | Developer | |
| BlushingBryde | Developer | |
| Blyant Games | Developer | |
| Blyster | Developer | |
| Bmoda | Developer | |
| Bnha Extra Love to Give | Developer | |
| Bo Jangeborg | Developer | |
| Bo Monroe | Developer | |
| BoDy51 | Developer | |
| BoN | Developer | |
| Boats | Developer | |
| Bob Andrews | Developer | |
| Bob Bishop | Developer | |
| Bob Bluaschild | Developer | |
| Bob Flanagan | Developer | |
| Bob Games | Developer | |
| Bob Hamilton | Developer | |
| Bob Hillyer | Developer | |
| Bob Lancaster | Developer | |
| Bob Mandel | Developer | |
| Bob Pape | Developer | |
| Bob Polin | Developer | |
| Bob Stevenson | Developer | |
| Bob Whitehead | Developer | |
| Bob the Seagull King | Developer | |
| Bob's Stuff | Developer | |
| Bob445566 | Developer | |
| BobIsHere | Developer | |
| BobTheMan | Developer | |
| Boba Studios | Developer | |
| Bobaccountemps1 | Developer | |
| Bobafettus | Developer | |
| BobbertOC | Developer | |
| Bobbi Burrs | Developer | |
| Bobby Levin | Developer | |