| Mutator | Author | Info | |
|---|---|---|---|
| [BIA]Vote-0.5.3 | groups | 1 mutator | |
| Ballistic Weapons UT3 Port: v1.0 | RuneStorm | 1 mutator , 21 weapons | |
| BattleRPG V10.2 | Nico de Vries | 7 mutators | |
| BattleTRANS | Nico de Vries | 1 mutator | |
| BeerJointMutator | Unknown | 1 mutator | |
| Blossom | Unknown | 1 mutator | |
| Bouncy Rockets | MavisPuford | 1 mutator , 1 weapon | |
| Überboard | Unknown | 1 mutator |