| BuddyCops | Developer | |
| BudgeCo | DeveloperPublisher | |
| Budget Hawking | Developer | |
| Budget Ship | Developer | |
| BudgetVersailles | Developer | |
| Budgie | Publisher | |
| Budgie Budget Software | Publisher | |
| Budgie Software | Publisher | |
| BudgieM2 | Developer | |
| Buds | Developer | |
| Buena Vista | DeveloperPublisher | |
| Buena Vista Games | DeveloperPublisher | |
| Buena Vista GamesEU,NA | Publisher | |
| Buena Vista GamesNA | Publisher | |
| Buena Vista GamesNA,PAL | Publisher | |
| Buena Vista GamesPAL | Publisher | |
| Buena Vista Interactive | DeveloperPublisher | |
| Buena Vista Software | DeveloperPublisher | |
| BuendiaGames | Developer | |
| Buffal | Developer | |
| Bug Baker Games | Developer | |
| Bug Byte | Publisher | |
| Bug Games | Developer | |
| Bug Mane LLC | Developer | |
| Bug Studio | Developer | |
| Bug-Byte | Publisher | |
| Bug-Byte Software | Publisher | |
| Bug-Studios | Developer | |
| Bugbear Entertainment | Developer | |
| Buggle Trussle | Developer | |
| BuggySpaghetti | Developer | |
| Bugs & Kisses | Developer | |
| Bugsta | Developer | |
| Buherman | Developer | |
| BuhoNegro | Developer | |
| BuildAnything | Developer | |
| Builders Hut Games | Developer | |
| Built In A Day | Developer | |
| Buka Entertainment | DeveloperPublisher | |
| Bul Ikana | Developer | |
| Bulbware | DeveloperPublisher | |
| BulchyC | Developer | |
| Buldozer | Developer | |
| Bulkhead Interactive | Developer | |
| Bulky Vulture | Developer | |
| BulkyPix | Publisher | |
| Bulkypix | DeveloperPublisher | |
| Bull's Eye | DeveloperPublisher | |
| Bulldog | Publisher | |
| Bulldog Software | Publisher | |
| Bullet Proof Software | DeveloperPublisher | |
| Bullet Proof SoftwareJP | Publisher | |
| Bullet-Proof Software | DeveloperPublisher | |
| Bullet-Proof Software JP | Publisher | |
| Bulletproof Outlaws | Developer | |
| BulletsArePeopleToo | Developer | |
| Bullfrog Productions | DeveloperPublisher | |
| Bullfrog Productions, Ltd. | Developer | |
| Bulwark Studios | Developer | |
| Bumblebear Games | DeveloperPublisher | |
| Bumpty Trail Games | Developer | |
| Bumpy Trail Games | Developer | |
| Bun & Birb | Developer | |
| Bun Bo Soup Team | Developer | |
| BunBoi | Developer | |
| BunStudio | Developer | |
| Bund! | Developer | |
| Bundesministerium | Publisher | |
| Bundesministerium für Wirtschaft und Technologie | Publisher | |
| Bundeswehr | Publisher | |
| Bundra | Publisher | |
| Bungalonely | Developer | |
| Bungie | DeveloperPublisher | |
| Bungus Productions | Developer | |
| Bunkasha | Developer | |
| Bunkasha Games | Developer | |
| Bunkasha Publishing | Developer | |
| Bunny Box Games | Developer | |
| Bunny Gun Games | Developer | |
| Bunny Sammy | Developer | |
| BunnyGirlSenpai | Developer | |
| BunnyGun | Developer | |
| BunnyMnemonic | Developer | |
| Buoyant Otter | Developer | |
| Burak Can | Developer | |
| Burak Furkan Akşahin | Developer | |
| Burak Yigitcan Bastug | Developer | |
| BurakKaya | Developer | |
| Burda:ic | Publisher | |
| Burenop | Developer | |
| Burger Guy Productions | Developer | |
| Burger King | Developer | |
| Burger Studio | Developer | |
| BurgerBunn | Developer | |
| Burgerphones | Developer | |
| Burgos Games | DeveloperPublisher | |
| Buried Signal | Developer | |
| Burn House Effects | DeveloperPublisher | |
| Burnerknight Studios | Developer | |
| Burning Crate Studios | Developer | |
| Burning Goat Studio | Developer | |
| Burning Ice Games | Developer | |
| BurningApparatus | Developer | |
| BurningOut | Developer | |
| BurningSunStudio | Developer | |
| BurntDreamsStudios | Developer | |
| Burp! Games | Developer | |
| Burquitlam Badgers Game Company | Developer | |
| Burrito Goblin | Developer | |
| Burst Studios | Developer | |
| Burut | Developer | |
| Burut CT | Developer | |
| Burut Software | Developer | |
| Burç Tuncer | Developer | |
| Bus Arrows Studios | Developer | |
| Bushiroad | DeveloperPublisher | |
| Business Clown | Developer | |
| BusinessGooseStudio | Developer | |
| Busy Toaster Games | Developer | |
| ButtCrusader | Developer | |
| ButterBrains | Developer | |
| ButteredCoffee | Developer | |
| Butterflux Studios | Developer | |
| Butterfly | Developer | |
| Butterfly Games | Developer | |
| Butterscotch Shenanigans | DeveloperPublisher | |
| Button Cupcake | Developer | |
| Button Soft | Developer | |
| Buttonmash0847 | Developer | |
| Butuzoff | Developer | |
| Butwhylevin | Developer | |
| Buwomp | Developer | |
| Buxtejor | Developer | |
| Buzz | Publisher | |
| Buzz Monkey Software | Developer | |
| Buzz Monkey Software, LLC | Developer | |
| Bwoogames | Developer | |
| By Nico Heuser | Developer | |
| ByR | Developer | |
| ByRabbit | Developer | |
| BySamb | DeveloperPublisher | |
| Byking | Developer | |
| Byron Nilsson | Developer | |
| Byron Preiss Multimedia | Publisher | |
| Byron Preiss Video Productions | Developer | |
| Byte Back | Publisher | |
| Byte Engineers | Developer | |
| Byte Forge | Developer | |
| Byte4Games | Developer | |
| BytePlayers | Developer | |