| bnk | SimCity Game Data |
| Test Drive Unlimited Data Package |
| bnry | The Sims 4 Game Data |
| bnt | Entropia Universe Game Archive |
| bo2 | Minecraft BO2 Object |
| TerrainControl Custom Biome Objects v2 |
| bo3 | Minecraft BO3 Object |
| TerrainControl Custom Biome Objects v3 |
| bo4 | OpenTerrainGenerator Custom Structure |
| bo4data | OpenTerrainGenerator Binary Custom Structure |
| bod | X3: Reunion Ship Data |
| boh | Europa Universalis 2 Game Data file |
| bol | Mario Kart Wii Course Setup |
| bos | Fallout Tactics: Brotherhood of Steel Data |
| bot | Quake FrogBot Data |
| Robot Arena Game Data |
| Soldat Bot Data |
| box | Cellblock Squadrons Archive |
| Lemmings Revolution Game Archive |
| bpa | Death Rally Game Archive |
| bpe | WWE Texture Archive |
| brasd | Mario Kart Binary Revolution Animation Sound Data |
| brctr | Binary Revolution ConTRol Data |
| brd | Winning Bridge Saved Hand Data |
| breff | Mario Kart Wii Effect Control Data |
| breft | Mario Kart Wii Effect Data |
| brf | Descent 3 Briefing Data |
| brfnt | Mario Kart Wii Font Data |
| brg | Age of Mythology Game Model |
| brk | Brick Hill Brick Data |
| brlan | Binary Revolution Layout Animation |
| brlyt | Mario Kart Wii Layout Data |
| brmdl | Mario Kart Wii 3D Model Data |
| brn | Gabriel Knight Barn Data |
| broguesave | Brogue Saved Game |
| brseq | Binary Revolution Sequence Data |
| brtex | Mario Kart Wii Texture Data |
| brv | Brick Rigs Vehicle Data |
| brz | Combat Mission: Shock Force Archive |
| bs | Infinity Engine Script |
| bs1 | Apogee Blake Stone Game Data |
| VirtualBus Vehicle Configuration |
| bsa | Fallout 3 Bethesda Softworks Archive |
| bsb | BioShock Saved Game |
| bsg | Besiege Machine |
| bsm | Bioshock Map Data |
| bsp | BioShock Saved Game |
| Quake Map Data |
| bspec | SimCity 4 Bridge Specs Data |
| bspr | Need for Speed: Shift Track Map |
| bss | Resident Evil Background Image |
| bst | Star Trek: Birth of the Federation Game Data |
| btb | Warhammer: Dark Omen Map |
| btf | Baires Turf Configuration |
| btg | Binary TerraGear Data |
| btl | American Civil War Battle Data |
| bts | Combat Mission Shock Force Saved Scenario |
| btt | Combat Mission Shock Force Scenario |
| bty | Railroad Tycoon 3 Game Data |
| bun | Need for Speed: Undercover Game Data |
| The Curse of Monkey Island Game Archive |
| The Dig Game Data |
| bundle | Rust Game Data |
| bundledmesh | Battlefield 2 Bundled Mesh Data |
| bus | OMSI Bus Configuration |
| VirtualBus Board Parameters File |
| bvs | BVS Solitaire Collection Saved Game |
| bwa | Bookworm Adventures Player Data |
| bwd | Colin McRae Rally 2 Car Description File |
| bwe | Black and White 2 Environment Data |
| bwp | Painkiller Overdose BWP Data |
| byml | Super Mario Odyssey Stage Data |
| bzg | BZFlag Map Data |
| bzn | Star Trek: Armada Game Map |
| bzw | BZFlag World |
| c3 | Eudemons Online 3D Model |
| c4 | Clonk 4 Script |
| c4b | Clonk Game Data |
| c4d | Clonk 4 Object Definition |
| c4f | Clonk Game Round Data |
