| Abbreviation | Definition |
|---|---|
| BTRP | Back To Role Play |
| BTTE | Brothers To The End |
| BTTFVGO | Back To The Future - the Video Games Online |
| BTW | Better Than Wolves |
| BUDS | Block Update Detector Switch |
| BW | Bedwars |
| BWL | Blackwing Lair (World of Warcraft) |
| BYKK | Blue Yian Kut-Ku |
| BYOC | Bring Your Own Console |
| BYOG | Bring Your Own Game |
| BYOND | Build Your Own Net Dream |
| C9 | Cloud 9 |
| C9 | Failing to capture |
| CAC | Cute Animal Character |
| CAD | Come And Die |
| CAFI | Civil Asset Forfeiture Impound |
| CAG | Cheap Ass Gamer |
| CAL | Cyberathlete Amateur League |
| CAL | Cyberathlete Amateur League (gaming) |
| CAT | Coupon Allocating Terminal |