Hey guys i'm looking to buy Overwatch off Cdkeys and I have a few questions about it. First thing how dose it work and how can they sell them that cheap. Second thing is i'm a bit confused do I buy this https://www.cdkeys.com/checkout/cart/ and i get the full game and get to play and Australian servers because its all a different price when i went on the AU website https://cdkeys.com.au/platform/battlenet/overwatch-origins/ please help i would really appreciated sorry if it was a dumb question. 
