Factorio Wiki
Build your first steam plant, balance red and green science, and find the bottleneck in a starved belt line.
Start here
Guides
Starting routes, progression and the decisions that shape a run.
Choose your next guide
Start with the basics, then use the progression and mechanics guides when your next run needs a different approach.
Coverage: Base game 2.0.77 on PC. 3 guides available.
Official Factorio website