I buy my game backups from a shop near my home but I think the guy who sells them doesn't keep himself updated with the happenings of the Xbox world and as a result is totally unaware of how to burn XGD3 games. Whenever I've bought XGD3 games from him, I've got the "Unsupported Disc" message on my Xbox. As a result, I've concluded that he must be burning the games without an iHas burner (like how you burn XGD2 games) and I'm pretty sure that my conclusion is correct because he said that he doesn't have an iHas drive and I've seen how he burns the games. But yesterday I went to the shop and he wanted to convince me to buy Max Payne 3 (which is XGD3). I told him that it wouldn't work on my Xbox (since his method of burning was wrong, but I didn't tell him that). I had my Xbox with me at the shop so he said that he wanted to prove me wrong by making the game work on my Xbox. He inserted the game into my Xbox and I waited for the error message that I had become so familiar with over the months. But to my astonishment, the game actually WORKED and I was left dumbfounded. I immediately asked him his method of burning and he told me the same method used for burning XGD2 games (the only one he knows, I guess). So my question is, how is this possible?