mk64project Mario Kart 64 ROM documentation, extractor, course viewer To extract, name an MK64 rom MK64.z64, put it in the directory of the tool and run _Extract.bat. Level data and all MIO0 files will be extracted to the created directory mk64dump. Course viewer: (web demo) To run the course viewer in node-webkit with _CourseViewerNW.bat, change NWPATH to the path of your node-webkit executable (nw.exe). Kart Viewer: (web demo) source http://origami64.net/showthread.php?tid=47