Various mods for this game made by bads.tm! Currently there is moddb.com/mods/badsswinemods/addons/tustk-2-ufo-trail-style-mods (making it only one mod for now) which has UFO and Trail Like style mod More comming soon (2018)
Preview. Because EXE holds all information of SWN, and PAK holds resources. So this will be just modified exe.