I could be wrong, but I think Modedit 2 was the first PC app to make MODs. But it wasn't really floating around in the wild, maybe you had to be "elite" or something to even know about it, LOL. There's a guy in here who mentions Modedit 2, I didn't see anything in Google but I didn't look very hard http://www.inthemix.com.au/forum/archive/index.php/t-68295.h...