The gimped Australian videogames rating system has struck again, with Left 4 Dead 2 being forced to edit out a heap of stuff to get an MA15+ rating. David at Kotaku has a full run down of exactly what's been edited out, plus a way that you can put it back in (on the demo, at least) with a simple bit of file editing.
Here's a YouTube video showcasing the differences between our version and the rest of the world:
There are only so many times you can voice your frustration at a government who thinks it knows better than you. But let's do it one more time in comments... And if you want to know how to get the gore back, hit up Kotaku...