Several years ago, I modded my slim PS2 using the tape and tissue method and bought Swap Magic Pro. I did this so that I could play some Japanese import games and it worked perfectly. I also had no problem playing a few burned games. Like, they played perfectly.
Well fast forward a few years and one of the import games (King of Colosseum II) ended up getting badly scratched and is basically unplayable, the load times are awful and the sound is screwed up. I sold the game to somebody online for dirt cheap. Recently, I downloaded an iso of the game and burned it to a disc, but it's not working correctly. The game takes forever to boot up (like over 10 minutes), and the sound is messed up. It's actually doing almost the exact same thing that my old game did. I was actually convinced that the guy I sold the game to had put the ISO online and that I had downloaded it, so I tried some other games.
I have since tried King of Colosseum Red (the prequel to KOC II) and I couldn't get past the initial loading screen. I also tried Persona 4 and absolutely nothing happened.
I'm using Verbatim DVD-R's which I have heard are the best for this sort of thing. I have also tried Sony DVD+RW since I had them laying around. I'm using DVD Decryptor to burn the games, as that's what I've always used. For what it's worth, my swap magic DVD disc is scratched pretty badly, but it seems to work fine. Does anybody have any idea what I can do to make the games work? A better program or brand of discs perhaps?