- 2 Markus Rotter
- 2 Marnix and Laurens Keek
- 5 mars007
- 2 Marsellus
- 2 Marsfyre:EditedByMassacre
- 3 Marskiller
- 2 Martijn "dixEEh" Kooij
- 2 Martijn "Sep" Kooy
- 2 Martijn "SepulturA"Kooy
- 3 Martijn 'M@sterdudE' Martens
- 6 Martijn '{SMAW}SepulturA' Kooy
- 4 Martijn" Syn' " Kooy
- 2 Martijn' [S]epulturA 'Kooy
- 2 Martin "[CLS]GhostRiDeR" Page
- 3 Martin "NoData" Plourde
- 6 Martin "Pfhoenix" Actor
- 3 Martin 'Aphex' Bell
- 2 Martin 'Jebus' Salisbury
- 3 Martin 'M13' Rykfors
- 3 Martin 'ManoX' Pinnow
- 2 Martin 'Rykforce' Rykfors
- 2 Martin *Fetzi* Säurle
- 3 Martin Beusker
- 3 Martin Winkler
- 4 Martin'ManoX'Pinnow
- 2 Marton Xerxuon
- 6 Marty Howe
- 4 Marvin 'Mr. SlackPants' Raymakers
- 2 mason pairish
- 4 Massacre
- 4 Massacre - Jake L.
- 8 MassChAoS
- 2 MassChAoS and LoQtUS
- 3 MassChAoS; rebuild of Q2 levelNat
- 7 Master Roshi
- 3 Master_Unreal
- 7 MasterOmok
- 25 MaTaliC
- 2 Mathias "Phobos" Nyström
- 2 Matija´Leviathan´Rempesic
- 4 matoux
- 3 Matt
- 2 Matt "Gokuh" Morrissey
- 8 Matt "Silencer" Murphy
- 2 Matt "Silencer" Murphy (MH|bah|BlackWolf)
- 21 Matt 'Fat Marrow' Farrow
- 15 Matt 'Goldfenix' Rose
- 10 Matt 'Iron-Lung' Peters
- 5 Matt 'Mattintosh' Hanvelt
- 2 Matt 'Phatboy' Mendell
- 7 Matt 'Shuriken' Richardson
- 2 Matt 'T-Bone' Miller
- 4 Matt Lefevere
- 2 Matt Mager
- 2 Matt Marinello
- 6 Matt Miller a.k.a. T-Bone
- 2 Matt Rasmussen/FixesBarbie
- 2 Matt Staats
- 4 Matt The Muska
- 2 Matt Vitalone
- 5 Matt {3-dee} Wilmot