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