Hutama's UA calls for an early city REX to maximise the capitals trade routes.
To take advantage of the +2 trade routes, you want 4 other cities that you can send a trade route to from the capital, and then a fifth with the Autoplant upgrade.
This is the quickest I managed, ignoring Rangi though because that was just a land grab forward push against the AI:
And I still have two strong city locations left to fill to the West and South of Jimboomba by all the Geothermals and the small flood plain river.
The biggest obstacle is the darn aliens, but with level 1 purity escorting colonists is easy, but getting around / past the aliens is still a chore.
To take advantage of the +2 trade routes, you want 4 other cities that you can send a trade route to from the capital, and then a fifth with the Autoplant upgrade.
This is the quickest I managed, ignoring Rangi though because that was just a land grab forward push against the AI:
And I still have two strong city locations left to fill to the West and South of Jimboomba by all the Geothermals and the small flood plain river.
The biggest obstacle is the darn aliens, but with level 1 purity escorting colonists is easy, but getting around / past the aliens is still a chore.