| .brn |
BrainStorm Data File |
| .bmz |
Portal Bonus Map Zip File |
| .bns |
Portal Bonus Map Script |
| .bio |
BIOS File |
| .brres |
Wii BRRES Resource Package |
| .bejeweled2deluxesavedgame |
Bejeweled 2 Deluxe Saved Game |
| .blackhawkstriker2 |
Blackhawk Striker 2 Saved Game |
| .blasterball3savedgame |
BlasterBall 3 Saved Game |
| .bookwormdeluxesavedgame |
Bookworm Deluxe Saved Game |
| .bus |
OMSI Bus Configuration File |
| .blorb |
Interactive Fiction Package Game File |
| .bps |
BPS Virus File |
| .bo2 |
Minecraft BO2 Object File |
| .ba2 |
Bethesda Softworks Archive File |
| .bic |
Neverwinter Nights Character File |
| .biq |
Civilization 3 Scenario File |
| .bix |
Civilization 3 Scenario File |
| .bng |
The Bingo Maker Card File |
| .bnz |
The Bingo Maker Card Template File |
| .bf |
CryoBF Game Data File |
| .bs1 |
VirtualBus Vehicle Configuration File |
| .bdae |
Gameloft Game Data File |
| .brmdl |
Wii BRMDL Model File |
| .brsar |
Wii BRSAR Audio Archive |