what program are you burning with ???
swap magic is not compatible with all ps2 games check about ,there is a list of non compatable games somewhere !!!
thing is if it plays most of the game then it cant be the swap magic ????
try dvd decrypter to create and burn image (freeware) best proggy i have used ,and has never let me down yet.
are there any scratches on your origonal ? (possible stumble in game)
if this dont work then
am i....lol