| Black Prism | Developer | |
| Black Refactory | Developer | |
| Black River Studios | Developer | |
| Black Rock Studio | Developer | |
| Black Rock Studios | Developer | |
| Black Run Software (H. Ziehms) | Developer | |
| Black Seven Studios | Developer | |
| Black Shamrock | Developer | |
| Black Sheep | Developer | |
| Black Sheep Studio | Developer | |
| Black Shell Games | Developer | |
| Black Shell Media | Publisher | |
| Black Ship Games | Developer | |
| Black Sun Game Publishing | Publisher | |
| Black Tower Studios | Developer | |
| Black Vein Productions | Developer | |
| Black Widow Games | Developer | |
| Black Wing Foundation | Developer | |
| BlackAngleGames | Developer | |
| BlackArmada | Developer | |
| BlackBean Games | Publisher | |
| BlackBoltGames | Developer | |
| BlackCastle | Developer | |
| BlackChiliGoat Studio | Developer | |
| BlackDotLabs | Developer | |
| BlackDragonBE | Developer | |
| BlackFoxx | Developer | |
| BlackHelmet_Games | Developer | |
| BlackJack2893029 | Developer | |
| BlackJellyCat | Developer | |
| BlackLambert | Developer | |
| BlackLock | Developer | |
| BlackMoon Studios | Developer | |
| BlackMuffin Studio | Developer | |
| BlackQuiltro | Developer | |
| BlackSmite | Developer | |
| BlackStar Interactive | Publisher | |
| BlackUlrich | Developer | |
| Black_Dragon_Be | Developer | |
| Blackberry & Holly | Developer | |
| Blackberry Jam | Developer | |
| Blackbird Interactive | Developer | |
| Blackcatgames4 | Developer | |
| Blackcross & Taylor | Developer | |
| Blackety | Developer | |
| Blackfire Games | Developer | |
| Blackjack | Developer | |
| Blacklight Interactive | Developer | |
| Blacklight Interative | Developer | |
| Blackmill Games | Publisher | |
| BlackmothEntertainment | Developer | |
| Blackpool | Developer | |
| Blackps | Developer | |
| Blacksea Odyssey | Developer | |
| Blacksred Empire | Developer | |
| Blackstaff Games | Developer | |
| BlackswordGames | Developer | |
| Blackthorn | Developer | |
| Blackthorn Studios | Developer | |
| Blackthornprod Games | Developer | |
| Blackwood Games | Developer | |
| Blackwood Specter | Developer | |
| Blade Interactive | DeveloperPublisher | |
| Blade Interactive Studios | Publisher | |
| Blade Software | Publisher | |
| Blade software | Developer | |
| Blade's Guidance | Developer | |
| BladeQuestStudio | Developer | |
| BladeRED | Developer | |
| Blaggame | Developer | |
| Blaike Harnett | Developer | |
| BlairPatterson | Developer | |
| Blake | Developer | |
| Blake Fix | Developer | |
| Blake Gilroy | Developer | |
| Blake Kaufman | Developer | |
| Blake McKinnon Productions | Developer | |
| BlakeDarrow | Developer | |
| BlakeLocked | Developer | |
| Blam! | Developer | |
| Blanca Gil Gutiérrez de Ravé | Developer | |
| Blane Bizzaro | Developer | |
| Blank Mask | Developer | |
| BlankSpace22 | Developer | |
| Blank_Slate119 | Developer | |
| Blankart | Developer | |
| BlanketsWilson | Developer | |
| Blarfnip | Developer | |
| Blasin | Developer | |
| Blast! Entertainment | DeveloperPublisher | |
| Blast! Entertainment Ltd | DeveloperPublisher | |
| Blast! Entertainment LtdEU | Publisher | |
| Blast82 | Developer | |
| BlastByte | Developer | |
| Blaster Games | Developer | |
| BlastocyteLabs | Developer | |
| BlastoiseKnight | Developer | |
| Blattella | Developer | |
| Blauer | Developer | |
| BlauwPrint | Developer | |