| Mutator | Author | Info | |
|---|---|---|---|
| Camera Control | Unknown | 1 mutator | |
| Chainsword | Unknown | 1 mutator , 1 weapon | |
| Circus Gun Mutator | Unknown | 1 mutator | |
| CL_BulletTime_Mutator | Unknown | 1 mutator | |
| Corposiki | Unknown | 1 mutator | |
| Crucibleweaponspack V1+RSLightningGun V11 | RuneStorm | 1 mutator , 1 weapon | |
| Custom UT v1 | Unknown | 1 mutator | |
| CustomUT v1a | Unknown | 1 mutator |