yes if your Xbox 360 is PAL then u have to buy PAL games
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Information for the UK is as follows:
* TV Encoding: PAL
* DVD Region: Region 2
* Wii Region Group: Europe (Also sometimes called PAL)
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Morocco is PAL.
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If the UK is showing, then it's a PAL region DSi. DSi systems
are region locked for certain content, you can only change the
country and not the region. Canada isn't an available country on a
PAL region DSi, it's available on the American DSi.