I think there is an issue with the currency converting on steam, the base game is $60 USD so converted to Australia Dollar should be about $78 AUD However it shows as $99.95 AUD which is about $76.96 USD.
So why does Australia have to pay $16.96 USD ($21.95 AUD) more? It is not like they have to pay for shipping or anything.
Does anyone else have some same currency converting issues for their countries?