Here's the current Map White List(thanks to Matthias Vance, crystaldragons, and omarfw for finding links to many maps and Bartbear for hosting many of the maps, if available):
KF-Bedlam.rom
KF-BioticsLab.rom
KF-Farm.rom
KF-Foundry.rom
KF-Menu.rom
KF-Manor.rom
KF-Offices.rom
KF-WestLondon.rom
KF-Wyre.rom
KFintro.rom
Entry.rom
KF-Crash.rom
KF-Departed.rom
KF-Icebreaker.rom
KF-FilthsCross.rom
KF-Waterworks.rom
KF-Biohazard.rom
KF-Suburbia.rom
KF-MountainPass.rom
KF-HospitalHorrors.rom
KF-[LT]MilitaryStronghold-v4-Fix.rom made by [LT]Chris and fixed by HaTeMe
KF-[LT]PoliceStation-V5-fix.rom made by [LT]Chris and fixed by HaTeMe
KF-2005Bioticslab.rom made by dextronaut
KF-2005Manor.rom made by dextronaut
KF-2005Offices.rom made by dextronaut
KF-2005SewersV2.rom made by dextronaut
KF-2005WestLondon.rom made by dextronaut
KF-2008BioticsLab.rom made by dextronaut
KF-2008Manor.rom made by dextronaut
KF-420-Ganja-Farm-Reweeded[EW]0.rom made by avp2501
KF-420-Ganja-Farm-Reweeded-V1-1.rom made by avp2501
KF-420-Ganja-Farm-V1.rom made by kingshinobi
KF-AASFMedic_Training_b2_8_1.rom made by maria
KF-Abandoned-Base-Final.rom made by theddle
KF-Abandoned-Base-FinalVL.rom made by theddle
KF-Abandoned-Base-DarkNight.rom made by theddle
KF-Abandoned-Base-MacabreDay.rom made by theddle
KF-AbandonedTowerBETAv11 by Aztek2313
KF-Afghanistan.rom made by kingshinobi
KF-AHouse-remake by misaeru1
KF-Antigone.rom made by matt
KF-AquaStudy-V2Final.rom made by fel
KF-Arcade-Action-v2.rom made by kingshinobi
KF-Arcade-Gas-Station-V1.rom made by kingshinobi
KF-Arcade-Hardcore-FIN.rom made by kingshinobi
KF-Arcade-Shopping-Center-final.rom made by kingshinobi
KF-Arcade-Shopping-CON.rom made by kingshinobi
KF-Arcade-Shopping-FIN.rom made by kingshinobi
KF-Arcade-Skatepark-FIN.rom made by kingshinobi
KF-Arcade-Underground.rom made by kingshinobi
KF-Archives.rom made by nickq2007
KF-Area-69 by elql
KF-artefatto by cannone82[ITA]
KF-AspenManorFinal.rom made by fel
KF-Aventine.rom made by dextronaut
KF-Aztec-Pyramid-Beta.rom made by typo001
KF-Badland.rom made by grithapas
KF-BarbedSchool65.rom made by anderx2000
KF-BarzakhV2c.rom made by murphy
KF-BellTolls.rom made by dezznutz
KF-BioTech-Incident.rom made by avp2501
KF-BioticsLabLightsOut_v6.rom made by HaTeMe
KF-Brewery.rom made by arramus
KF-Bunker-Endless-v2.rom made by grithapas
KF-BunkerI-V1.rom made by killer9999
KF-Cabin[WB].rom made by RoBoT
KF-Campfire-Final.rom made by leon75
KF-Candlesmoke.rom made by dextronaut and fel
KF-Canville by cannone82[ITA]
KF-Cargo-Bay-fixed.rom made by grithapas
KF-CarryOnUp.rom made by arramus
KF-CarryOnUpSmog.rom made by arramus
KF-Cassis.rom made by dextronaut
KF-Castle.rom made by shibumi
KF-CastleAvernusV1.rom made by killer9999
KF-CastleOfDeath-Gn3s by Fel
KF-CentralMayhem-MainSt by Fel
KF-CentralMayhem-TheHood by Fel
KF-Chthon.rom made by colonel justice
KF-Colosseum-v1.rom made by Colonel Panic
KF-Complex2-[LT]RC.rom
KF-Concealed.rom made by darkstalker31
KF-Constriction.rom made by Swanky
KF-CornerMarket_v3.rom made by corwin
KF-Crag_B3.rom made by shadowwill
KF-Crash2010.rom made by Gregs2k2
KF-Crematorium.rom made by boyoftheenders
KF-Crystal-LakeV1-7a.rom made by avp2501
KF-Crystal-Lake by avp2501
KF-CSTFunabashi.rom made by nullpotower
KF-DammageV3b.rom made by murphy
KF-Damnation-Mission-ReVamp.rom made by Fel
KF-DarkTunnelsV2.rom made by krayzie
KF-Deadcenter_fix.rom made by Sugarfree
KF-Deadcity.rom made by Sugarfree
KF-DeathBasinSands.rom made by arramus
KF-DeathBasinSandsNight.rom made by arramus
KF-DeathPitFinal.rom
Kf-DeathPit-ReVamp.rom made by Fel
KF-Deck16][-fix.rom fixed by mamoo
kf-defence-b4.rom made by Falidell
kf-defence-c1.rom made by Falidell
KF-Defence-LightsOut.rom made by Fel
KF-Defence-Sunset-B4.rom made by greenj2
KF-DegenerationMultiplayerV1.rom made by kick3r
KF-DegenerationSPV2C.rom made by kick3r
KF-DegenerationWBV1.rom made by kick3r
KF-depot-b4.rom made by Falidell
KF-Desperation_beta1.rom
KF-DIE.rom by Fel
KF-Distrikt.rom made by shocktrooper114
KF-DOOMedV1-3.rom made by Pectabyte.com
KF-Doom3 by S281
KF-Downtown.rom made by bej-bej
KF-Downtown_Derelict_2-7.rom made by bej-bej
KF-Dreamhouse.rom made by driftwood
KF-Duke3dE1M01v004.rom made by ro sauce
KF-Duke3dM1v01.rom made by ro sauce
KF-ElementarySchool.rom made by flame
KF-EvilResidentsFixed.rom made by MrKaizer
KF-Extinction.rom made by OpticalShadows
KF-FabulousV5.rom made by Murphy
KF-FacilityV1.rom made by dextronaut
KF-FailedExperiment.rom made by soduka
KF-Farm-Day.rom made by deeznutz
KF-Farmiloe.rom
KF-Final-Runover_Beta.rom made by randomkid
KF-Firechess.rom updated by crystaldragons
KF-Floor17Final.rom
KF-FogFieldBeta5.rom
KF-ForgottenSecrets.rom made by xjamesox
KF-GEBunker_b2.rom by Criss
KF-Gilles-F.rom made by deeznutz
KF-Gladiator_Beta3.rom made by basic infantry
KF-GoingUndergroundB3.rom
KF-GothicV2.rom made by snipe34
KF-GraveHeartV1.rom made by dextronaut
KF-Grevona.rom made by dextronaut
KF-HappyHour.rom made by snipe34
KF-HappyHourV2-25.rom made by snipe34
KF-HarbourV3.rom made by tap-chan
KF-Harbor.rom made by myles lambert
KF-HELLBETA2-1.rom made by tripwirechris
KF-HeresyBeta3.rom made by d-e-a-t-h
KF-HiddenFacilityV6-1.rom made by avp 2501
KF-Horzine-warehouse-fin.rom made by pendre
KF-HospitalHorrors-DCF.rom made by Justfilth and an arm waving by gusone
KF-House[TE]ZamFix.rom made by zamiba64
KF-House-R.rom made by YoYoBatty
KF-Industry.rom made by power
KF-InfiltrateV1.rom made by snipe34
KF-Juggernaut.rom made by Falidell
KF-Junk.rom made by slaiden
KF-KalendraBeta.rom
kf-killbox-final.rom made by falidell
KF-KingOfTheHill.rom made by tap-chan
KF-KontorV1.rom made by leon75
KF-Kopper-FINAL-WL.rom made by TheNoRanking
KF-Lab106.rom made by knightmare106
KF-Laboratory-FIN.rom made by Ed_13_10
KF-Labyrinth_of_Horror.rom made by Wvack
kf-Last-Hopev6.rom
KF-LibraryFinal.rom made by fubar!
KF-Bedlam.rom
KF-BioticsLab.rom
KF-Farm.rom
KF-Foundry.rom
KF-Menu.rom
KF-Manor.rom
KF-Offices.rom
KF-WestLondon.rom
KF-Wyre.rom
KFintro.rom
Entry.rom
KF-Crash.rom
KF-Departed.rom
KF-Icebreaker.rom
KF-FilthsCross.rom
KF-Waterworks.rom
KF-Biohazard.rom
KF-Suburbia.rom
KF-MountainPass.rom
KF-HospitalHorrors.rom
KF-[LT]MilitaryStronghold-v4-Fix.rom made by [LT]Chris and fixed by HaTeMe
KF-[LT]PoliceStation-V5-fix.rom made by [LT]Chris and fixed by HaTeMe
KF-2005Bioticslab.rom made by dextronaut
KF-2005Manor.rom made by dextronaut
KF-2005Offices.rom made by dextronaut
KF-2005SewersV2.rom made by dextronaut
KF-2005WestLondon.rom made by dextronaut
KF-2008BioticsLab.rom made by dextronaut
KF-2008Manor.rom made by dextronaut
KF-420-Ganja-Farm-Reweeded[EW]0.rom made by avp2501
KF-420-Ganja-Farm-Reweeded-V1-1.rom made by avp2501
KF-420-Ganja-Farm-V1.rom made by kingshinobi
KF-AASFMedic_Training_b2_8_1.rom made by maria
KF-Abandoned-Base-Final.rom made by theddle
KF-Abandoned-Base-FinalVL.rom made by theddle
KF-Abandoned-Base-DarkNight.rom made by theddle
KF-Abandoned-Base-MacabreDay.rom made by theddle
KF-AbandonedTowerBETAv11 by Aztek2313
KF-Afghanistan.rom made by kingshinobi
KF-AHouse-remake by misaeru1
KF-Antigone.rom made by matt
KF-AquaStudy-V2Final.rom made by fel
KF-Arcade-Action-v2.rom made by kingshinobi
KF-Arcade-Gas-Station-V1.rom made by kingshinobi
KF-Arcade-Hardcore-FIN.rom made by kingshinobi
KF-Arcade-Shopping-Center-final.rom made by kingshinobi
KF-Arcade-Shopping-CON.rom made by kingshinobi
KF-Arcade-Shopping-FIN.rom made by kingshinobi
KF-Arcade-Skatepark-FIN.rom made by kingshinobi
KF-Arcade-Underground.rom made by kingshinobi
KF-Archives.rom made by nickq2007
KF-Area-69 by elql
KF-artefatto by cannone82[ITA]
KF-AspenManorFinal.rom made by fel
KF-Aventine.rom made by dextronaut
KF-Aztec-Pyramid-Beta.rom made by typo001
KF-Badland.rom made by grithapas
KF-BarbedSchool65.rom made by anderx2000
KF-BarzakhV2c.rom made by murphy
KF-BellTolls.rom made by dezznutz
KF-BioTech-Incident.rom made by avp2501
KF-BioticsLabLightsOut_v6.rom made by HaTeMe
KF-Brewery.rom made by arramus
KF-Bunker-Endless-v2.rom made by grithapas
KF-BunkerI-V1.rom made by killer9999
KF-Cabin[WB].rom made by RoBoT
KF-Campfire-Final.rom made by leon75
KF-Candlesmoke.rom made by dextronaut and fel
KF-Canville by cannone82[ITA]
KF-Cargo-Bay-fixed.rom made by grithapas
KF-CarryOnUp.rom made by arramus
KF-CarryOnUpSmog.rom made by arramus
KF-Cassis.rom made by dextronaut
KF-Castle.rom made by shibumi
KF-CastleAvernusV1.rom made by killer9999
KF-CastleOfDeath-Gn3s by Fel
KF-CentralMayhem-MainSt by Fel
KF-CentralMayhem-TheHood by Fel
KF-Chthon.rom made by colonel justice
KF-Colosseum-v1.rom made by Colonel Panic
KF-Complex2-[LT]RC.rom
KF-Concealed.rom made by darkstalker31
KF-Constriction.rom made by Swanky
KF-CornerMarket_v3.rom made by corwin
KF-Crag_B3.rom made by shadowwill
KF-Crash2010.rom made by Gregs2k2
KF-Crematorium.rom made by boyoftheenders
KF-Crystal-LakeV1-7a.rom made by avp2501
KF-Crystal-Lake by avp2501
KF-CSTFunabashi.rom made by nullpotower
KF-DammageV3b.rom made by murphy
KF-Damnation-Mission-ReVamp.rom made by Fel
KF-DarkTunnelsV2.rom made by krayzie
KF-Deadcenter_fix.rom made by Sugarfree
KF-Deadcity.rom made by Sugarfree
KF-DeathBasinSands.rom made by arramus
KF-DeathBasinSandsNight.rom made by arramus
KF-DeathPitFinal.rom
Kf-DeathPit-ReVamp.rom made by Fel
KF-Deck16][-fix.rom fixed by mamoo
kf-defence-b4.rom made by Falidell
kf-defence-c1.rom made by Falidell
KF-Defence-LightsOut.rom made by Fel
KF-Defence-Sunset-B4.rom made by greenj2
KF-DegenerationMultiplayerV1.rom made by kick3r
KF-DegenerationSPV2C.rom made by kick3r
KF-DegenerationWBV1.rom made by kick3r
KF-depot-b4.rom made by Falidell
KF-Desperation_beta1.rom
KF-DIE.rom by Fel
KF-Distrikt.rom made by shocktrooper114
KF-DOOMedV1-3.rom made by Pectabyte.com
KF-Doom3 by S281
KF-Downtown.rom made by bej-bej
KF-Downtown_Derelict_2-7.rom made by bej-bej
KF-Dreamhouse.rom made by driftwood
KF-Duke3dE1M01v004.rom made by ro sauce
KF-Duke3dM1v01.rom made by ro sauce
KF-ElementarySchool.rom made by flame
KF-EvilResidentsFixed.rom made by MrKaizer
KF-Extinction.rom made by OpticalShadows
KF-FabulousV5.rom made by Murphy
KF-FacilityV1.rom made by dextronaut
KF-FailedExperiment.rom made by soduka
KF-Farm-Day.rom made by deeznutz
KF-Farmiloe.rom
KF-Final-Runover_Beta.rom made by randomkid
KF-Firechess.rom updated by crystaldragons
KF-Floor17Final.rom
KF-FogFieldBeta5.rom
KF-ForgottenSecrets.rom made by xjamesox
KF-GEBunker_b2.rom by Criss
KF-Gilles-F.rom made by deeznutz
KF-Gladiator_Beta3.rom made by basic infantry
KF-GoingUndergroundB3.rom
KF-GothicV2.rom made by snipe34
KF-GraveHeartV1.rom made by dextronaut
KF-Grevona.rom made by dextronaut
KF-HappyHour.rom made by snipe34
KF-HappyHourV2-25.rom made by snipe34
KF-HarbourV3.rom made by tap-chan
KF-Harbor.rom made by myles lambert
KF-HELLBETA2-1.rom made by tripwirechris
KF-HeresyBeta3.rom made by d-e-a-t-h
KF-HiddenFacilityV6-1.rom made by avp 2501
KF-Horzine-warehouse-fin.rom made by pendre
KF-HospitalHorrors-DCF.rom made by Justfilth and an arm waving by gusone
KF-House[TE]ZamFix.rom made by zamiba64
KF-House-R.rom made by YoYoBatty
KF-Industry.rom made by power
KF-InfiltrateV1.rom made by snipe34
KF-Juggernaut.rom made by Falidell
KF-Junk.rom made by slaiden
KF-KalendraBeta.rom
kf-killbox-final.rom made by falidell
KF-KingOfTheHill.rom made by tap-chan
KF-KontorV1.rom made by leon75
KF-Kopper-FINAL-WL.rom made by TheNoRanking
KF-Lab106.rom made by knightmare106
KF-Laboratory-FIN.rom made by Ed_13_10
KF-Labyrinth_of_Horror.rom made by Wvack
kf-Last-Hopev6.rom
KF-LibraryFinal.rom made by fubar!