| Map | Title | Author | Players | |
|---|---|---|---|---|
| DM-(XiS)Deck16Remix | Deck16][ | 2-16 | ||
| DM-(XiS)DogtownRemix | DM or Team DM | 6-14 | ||
| DM-(XiS)GiantBedroomRemix | aGIANTbedroom | Unknown | ||
| DM-(XiS)LostTombsRemix | LostTombs-FBI | 8 - 20 | ||
| DM-(XiS)MokumX | MokumX | Unknown | ||
| DM--Xisor's_Palace | DM--Xisor's_Palace | Unknown | ||
| DM-[X$C]Close&Deadly | Close&Deadly(FU Sean Version) | 2 (max 4) | ||
| DM-[X$C]Close&Deadly | Close&Deadly(FU Sean Version) | 2 (max 4) | ||
| DM-[xcep]SplitFire | - [xcep] Splitfire - | 8 | ||
| DM-[Xdada]Basketball | Basketball | 8-16 | ||
| DM-[Xloc]AllThaWayUP | DM-[Xloc]AllThaWayUP | 14/20 | ||
| DM-X | GreyC's & LLR's X | 16 | ||
| DM-X(X)-Facepunch | Facepunch Community Map | 5-8 | ||
| DM-X-labs | DM-X-labs | Unknown | ||
| DM-x3k3z3R(M4C)fix | DM-x3k3z3R for M4C clan! | 6 | ||
| DM-X8 | DM-X8 | 12 | ||
| DM-Xa'DuaTrench | Xa'Dua Trench Monitoring Station | 8-10 | ||
| DM-Xailyn | Xailyn's Arena | 2-6 | ||
| DM-Xan | DM-XAN | Unknown | ||
| DM-Xanesious-TOURNEY | Xanesious | 2-4 | ||
| DM-XBox | The X Box | 3-8 | ||
| DM-XC-Adequate | Adequate | 2-6 | ||
| DM-XC-ColdstoneAlpha | DM-XC-ColdstoneAlpha | Unknown | ||
| DM-XC-EpicTown1 | DM-XC-EpicTown (v1) | 16-32 | ||
| DM-XC-EpicTownV1 | DM-XC-EpicTown (v1) | 16-32 | ||
| DM-XC-EpicTownV2 | DM-XC-EpicTown-V2 | 16-24 | ||
| DM-XC-EpicTownV2A | DM-XC-EpicTown-V2A | 16-24 | ||
| DM-XC-HealPyramid | Heal Pyramid | 8 | ||
| DM-XC-MorpheusPeak | DM-XC-MorpheusPeak | 4-8 | ||
| DM-XC-NaliTree | Floating Nali Xmas Tree | 2-5 | ||
| DM-XC-NaliTreeV2 | Floating Nali XMAS Tree (v2) | 2-5 | ||
| DM-XC-Ozma777-UT99org | Ozma777 XMasContest 2012 | 12-16 | ||
| DM-XC-XMASROOM | UT99.ORG Xmas 2012 Mapping Contest | 16-24 | ||
| DM-XeneX | Temple Of XeneX | 2-4 | ||
| DM-Xenome | DM-Xnome | 8 - 12 | ||
| DM-Xenon][ | Xenon][ of Dungeon | 4 - 8 | ||
| DM-Xerosis | Xerosis | Unknown | ||
| DM-XFactor | DM-XFactor | 6 - 10 | ||
| DM-Xfiles | DM-Xfiles | Unknown | ||
| DM-XLC-Warehouse | Halo Of Flies | 2-16 | ||
| DM-XLoc-!DSF!Training-beta2 | DM-XLoc-!DSF!Training-beta2 | Unknown | ||
| DM-XLoc-(FOG)-Trans3a | DM-[FOG]-Lava3 | Unknown | ||
| DM-xloc1 | DM-xloc1 | Unknown | ||
| DM-xlocTrainer | DM-xlocTrainer | Unknown | ||
| DM-XMAS livingroom | DM-Xmas livingroom | 8-16 | ||
| DM-XMAS-TAZ | X-MAS | 2-4 | ||
| DM-Xmas-UT Freak | Xmas-UT Freak | 2-6 | ||
| DM-Xmas-UT-Freak | Xmas-UT-Freak | 2-6 | ||
| DM-Xmas-UT-Freak666 | Xmas-UT Freak 666 | 2-6 | ||
| DM-Xmas-UTFreak2011 | DM-Xmas-UTFreak2011 | 8-16 | ||
| DM-Xmas2008 | DM-Xmas | 5-12 | ||
| DM-Xmas2008titan2 | DM-Xmas | 5-12 | ||
| DM-XmasDD | DM-XmasDD | 5-12 | ||
| DM-XmasGreatroomDD | DM-XmasGreatroomDD | Unknown | ||
| DM-XmasHaus | Xmas House | 4-6 | ||
| DM-xMasNightClub | DM-xMasNightClub | 12-16 | ||
| DM-XmasSFunMadArena2[Joke] | Xmas Mad Arena | 2-10 | ||
| DM-XmasStreet[SWAT] | DM-XmasStreet[SWAT] | Unknown | ||
| DM-XmasTown[SWAT] | DM-XmasTown[SWAT] | Unknown | ||
| DM-Xmasvillage | Xmasvillage | 6-10 | ||
| DM-Xmasvillages | CTF-Xmasvillages | 6-12 | ||
| DM-XMC-Alkalo_no_network_play | XMC-Alkaloimpex | 2-6 | ||
| DM-XMC-Alkalo_notrainz | Alkaloimpex chemical processing plant | 2-6 | ||
| DM-Xortion | DM-Xortion | Unknown | ||
| DM-xp-[DoC]Transtraininglite | pure 4 training | Unknown | ||
| DM-XqTown-JumpsP | DM-XqTown-Jumps | 8-14 | ||
| DM-XqTown-JumpsP_4ZSZ | DM-XqTown-Jumps_4ZSZ | 8-14 | ||
| DM-XqTown-UK | DM-XqTown-Jumps | 8-14 | ||
| DM-XShockwave | Shockwave Facility-X | 6 - 12 | ||
| DM-XtortionCube | Xtortion Cube | 2-8 | ||
| DM-XtremeMeasures | Xtreme Measures | 6-10 | ||
| DM-XXL_RpB | DM-XXL_RpB | 8-16 | ||
| DM-Xxplosive | DM - Xxplosive | Around 10 | ||
| DM-xxTremetiesCruiser | xxTremeties_Cruiser | 12 to 20 | ||
| DM-Xymoron | - X Y M O R O N - | 2 - 4 | ||
| DM-Xyrun | DM-Xearon | 2 |