I grabbed the decoder/encoder from amnoid.de written by shevious/daegunlee, but its really old. Before I decode the yaz0(.szs) file, the 2nd set of uInt values denote the size of the data(in hex) and is verified when it actually decodes. But when I re-encode it(w/o making any changes), the file size is much smaller, approx 33% smaller and will no longer work for the game(MKWii). Is it because the encoder is not specifically for the wii? I was wondering whether there was an encoder out there[for win 7) or would I have to go through the trouble of making it myself, which would take who knows how long =0(.