Steam engines
First Factory
Automate Coal
Automate Iron
Automate Copper
Automate basic items
Automate Red Research
Basic BUS Layout/Spacing
Explore + Walls + Guns
Automate Green Research
Automate Red Processing units
Basic Oil layout
Automate Blue Reasearch
Furnaces Phase 1 - Basic Copper and Iron
Electric Energy Distribution 2
Furnaces Phase 2 - Steel & Basic Power Upgrade
Expand Oil
Batteries
Expand Power grid
Setup On-Off support
Furnaces Phase 3 - Fully Expand
Main Rail Terminus Phase 1
Bolster Wall defences if needed
Remote ore sites
Roads?
Advanced Electronics 2
Automate Purple Processing units
...?
BUS sorting area?
...?
Electric furnaces
...?
Rocket Silo Research
...?
Rockets!
...?
Profit