most DSi-enhanced games come with a nice little *for region X DSi's only* notice on the back.Nathan Drake said:DS games and DSi features in DS games aren't region locked, so it doesn't matter.
Only DSiware is region locked.
Australia is still part of the Commonwealth; perhaps that has some influence in it.Nathan Drake said:If the AUS DSi region lock falls under anywhere, it would be NA due to location. It would make no sense to make it of the European region.