Shaun Turner Wrote:

I had mine arrive from amazon.de yesterday. My dvd was marked as region 0 
(region free) which would explain why it worked so well for you 

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Are you referring to the white square with the "O" on the cover and on the DVD itself? 

Thats a rating stamp meaning no age restriction.

See more info here.

http://en.wikipedia.org/wiki/Freiwillige_Selbstkontrolle_der_Filmwirtschaft