>>717812105
There's Broken Roads, but it's trash. If you want some highly fictionalized worlds then:

https://store.steampowered.com/app/2494020/Samurai_Unicorn/

https://store.steampowered.com/app/411960/TY_the_Tasmanian_Tiger/
https://store.steampowered.com/app/411970/TY_the_Tasmanian_Tiger_2/
https://store.steampowered.com/app/411980/TY_the_Tasmanian_Tiger_3/

https://store.steampowered.com/app/1577470/Straya/

https://store.steampowered.com/app/2136770/Dryft_City_Kyngs/

https://store.steampowered.com/app/234140/Mad_Max/

https://store.steampowered.com/app/1062520/Dinkum/

And for the most realistic representation of Australia, Forza Horizon 3.

Fictionally set in Australia, but looks nothing like it:
https://store.steampowered.com/app/1368340/Beneath_a_Steel_Sky_1994/
https://store.steampowered.com/app/1146310/Beyond_a_Steel_Sky/