- Coda_Of_Lifes & magis 4
- CoD|Pufa91 2
- Coen van der Wel 3
- Coherent_Force{MOK} 2
- Coldfront 2
- Colin 'ArKile' + Daniel 'INFERNO' Winter 6
- Colin 'ArKile' Winter & Daniel 'INFERNO' Winter 2
- Colin 'CARNAGE' Murphy 3
- Colin 'Couchman' Kilcoyne 6
- Colin 'Lruce Bee' Murphy 5
- Colin 'Wyzard' McCann 4
- Coll@ 3
- Commander 3
- commander_keen 2
- Common & DoctoR DeatH 2
- Common&[IFC]SerialKiller&DoctoR_DeatH 2
- Common&DoctoR DeatH 4
- Common&DoctoR_DeatH 31
- Common&DoctoR_DeatH{Idea by Freddy} 2
- Common,DoctoR_DeatH,SuzySushi 2
- Conan Deleon 2
- Conan Deleon/[ )A[ )s_RooTBeeR 2
- CoNDoR 2
- Conny "Karg" Landstedt 2
- Continuum 5
- Conversion by Paul "icepick59" Fritts 3
- Conversion by Red Dwarf 5
- Conversion from Marathon by Wolfchild 10
- Converted by "VT|CreepingDeath" 2
- Converted By --=BliZz=-- 2
- Converted By --=BliZz=--/Fixes by Barbie 2
- Converted by James 'CreepingDeath' Morgan 3
- Converted by Red Dwarf 5
- Converted From UT To Unreal By Jet<NxS> 2
- convolvulus 2
- cookiemonster[MoA[ & RasPy[MoA] 2
- cookiemonster[MoA] 2
- Cooper "BigBird" Faust 7
- CoRaSeNt 3
- Corey 3
- Corey (Kyben) 5
- Corey Robinson 3
- Corey(:K256:) 6
- Corrupt Mind 2
- Corruption 2
- Cory 'SpoonDog' Spooner / David Catmull 72
- Cory Spooner 'TheSpoonDog' + zOil for "CB" 4
- Cory Spooner 'TheSpoonDog', IG - khxmz 2
- Cosmix 9
- counterblast (VCTF Version) 3
- Cow 4
- Cpl.Shepard 3
- CR125 2
- CR125 & Lvkkie 2
- Cr4zyB4st4rd 6
- Cracker64 2
- Crackers 2
- Craig "khemzikal" Bachmann 2