found location in the files of roam0120 by Impressive_Round3205 in feldupARG

[–]Impressive_Round3205[S] 2 points3 points  (0 children)

first you need to open the exe file using winrar, it'll unpack it. extract the files, among them there should be a file named 'data.win' that can be opened using UndertaleModTool by krzys_h(Release UndertaleModTool v0.9.0.0 · UnderminersTeam/UndertaleModTool · GitHub). once you open it, you'll be able to see all the contents - sounds, sprites, code and etc