| Title | Games |
 | Babylon Software
Location Unknown | 0 |
| Bandai
Location Unknown | 0 |
| Barking Dog Studios
Location Unknown | 0 |
| BattleBorne Entertainment, Inc
Location Unknown | 0 |
| Beep Industries
Location Unknown | 0 |
| Bethesda Softworks
Maryland and Washington State | 6 |
| Big Ape Productions, Inc.
Novato, CA | 0 |
| Big Blue Box
Outside Guildford, UK | 0 |
| Bigben Interactive
Vale Road, Heaton Mersey, UK | 0 |
| BioWare Corp.
Edmonton, Alberta, Canada | 4 |
| Bits Studios
London, UK | 0 |
| Bizarre Creations
Location Unknown | 6 |
| Black Box Games
Vancouver, B.C. | 1 |
| Black Isle Studios
Location Unknown | 0 |
| Black Market Games
Location Unknown | 0 |
| Black Mountain Games
San Diego, CA | 0 |
| Black Ops Entertainment
Location Unknown | 0 |
| Blade Interactive
Manchester, UK | 4 |
| Blitz Games
Warwickshire, UK | 3 |
| Blue 52
Camden Town, North London, UK | 0 |
| Blue Shift
Palo Alto, CA | 0 |
| Blue Tongue Software
Australia | 0 |
| Bohemia Interactive Studio
Location Unknown | 0 |
| Brat Designs
UK | 0 |
| Buena Vista Games
Location Unknown | 1 |
| Bugbear Entertainment Ltd.
Finland | 1 |
| Bungie
Redmond, WA, USA | 3 |
| Bunkasha Publishing Co.
Japan | 0 |
| Big Huge Games
Location Unknown | 2 |
| Backbone Charlotte
Location Unknown | 0 |
| Blazing Lizard
Location Unknown | 1 |
| Backbone
Location Unknown | 22 |
| Beenox
Location Unknown | 2 |
| BLUESIDE Inc.
USA | 1 |
| Backbone Emeryvill
Location Unknown | 2 |
| Black Lion Studios
Location Unknown | 1 |
| Black Rock Studios
Location Unknown | 2 |
| Blue Omega Entertainment
Location Unknown | 1 |
| Bandai Namco Games
Location Unknown | 2 |
| Biart
Location Unknown | 3 |
| Beautiful Game
Location Unknown | 1 |
| Big Rooster
Location Unknown | 1 |
| Blue Castle Games
Location Unknown | 4 |
| BottleRocket
Location Unknown | 1 |
| Brash Entertainment
Location Unknown | 0 |
| Black Hole Entertainment
Location Unknown | 1 |
| BigFizz
Location Unknown | 2 |
| Blizzard
Location Unknown | 1 |
| Baltico X
Location Unknown | 1 |
| Blueside
Location Unknown | 1 |
| Ben S1
Location Unknown | 1 |
| benNewbury
Location Unknown | 1 |
| BaracusJr
Location Unknown | 1 |
| batfox
Location Unknown | 1 |
| Bandai Namco Games
Location Unknown | 1 |
| Blitz Arcade
Location Unknown | 3 |
| bp
Location Unknown | 1 |
| Bongfish GmbH
Location Unknown | 1 |
| Black Lab Games
Location Unknown | 2 |
| Big Park
Location Unknown | 1 |
| Black Bean Games
Location Unknown | 1 |
| Blacklist Games
Location Unknown | 1 |
| Blitz Games Studios
Location Unknown | 1 |
| Barkers Crest
Location Unknown | 1 |
| Ben3DX
Location Unknown | 1 |
| ByteMaster
Location Unknown | 1 |
| bioroid Studios
Location Unknown | 1 |
| Blatterchip
Location Unknown | 1 |
| Bloober Team
Location Unknown | 1 |
| Big Ant Studios
Location Unknown | 1 |
|
Live Chat: 10 |
Guests: 1632 |
Bungie's popular first-person shooter makes its debut on the Xbox 360 with Halo 3.
