It's highly likely that australians will stumble across advertisements for the game online, or people talking about it...
It's been in the news, both on and offline.
Only the game is banned. You make it sound like any related content is filtered too. It's not -- well, not yet anyway.
"My sense of purpose is gone! I have no idea who I AM!" "Oh, my God... You've.. You've turned him into a DEMOCRAT!" -- Doonesbury