A tweet from the Natural Selection 2 team mentions that the upcoming strategy/shooter hybrid will feature moddable Windows and Linux dedicated servers, saying the former will be released with the imminent playable alpha: "Regarding the NS2 dedicated server (win32) - that should ship with our alpha as well. Linux will come later. YES, you can run mods! :)" Thanks joao. There is also a brief Q&A about the game with Charlie Cleveland of Unknown Worlds on Big Download.