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human
[Fallout] How terrifying would the Australian Wastelands be?

Earlier, I had the thought that a hypothetical Fallout: Australia would be interesting and completely terrifying. 

The game might entail a large scale armed invasion and extermination of every living and undead, venomous and/or poisonous, irradiated monstrosities that Fallout radiation rules would render from the already terrifying Australian ecology...

What kind of monstrosities could you see cropping up in a Fallout Universe Australia? Would Platypodes have evolved into the Aussie Deathclaw? How do they maintain their position at the top of the local food chain? 

How would you handle the story for such a hypothetical game? Would any humans have survived on the continent? 

Given how the Fallout ecology is basically an irradiated Jurassic World hellscape, if Australia is human free, what reason would humans have to return other than the general human gift for being more stubborn than kangaroo-mule?
gpt
Well for one we have no idea how bad the outside was hit other than China, we kinda fucked their shit up.

Odds are Australia wouldn't be so bad, it's really not a center of the world at that time. And half the mutant animals like Deathclaws, Supermutants, and Cazadores are man made monstrosities. So unless Australia was a center for FEV research most of their animals would just be irradiated and ugly.