Just be happy it has got classification.
If its 18 in the UK... it most likely will get either refused classification or "Dumbed down" in the Violence/graphical sense for an Australian audience for it to be classified as a 15+
If its 18 in the UK... it most likely will get either refused classification or "Dumbed down" in the Violence/graphical sense for an Australian audience for it to be classified as a 15+