im using winrar and i've extracted the damn files like 5 time and still dont know how to play the game. I cant find any file named "application" or anything. Are you able to still play it? I don't know how to get it to run.
WinRAR *should* do the same things that 7 zip does, but I've never used it myself so I can't help much if the issue is from WinRAR specifically.
