Dependency graph
140 steps and 426 hard dependencies, plus 8 dashed links that only make a step cheaper. Click any node, or Tab to it and press Enter, to trace everything it needs and everything it unlocks; do it again to open the step. Drag to pan, scroll to zoom, Escape to clear.
Achieved
Ready to attempt
Blocked
Cheaper with, not blocked by
Nodes are coloured by tier. A ring means you have marked it achieved; a filled dot means every prerequisite is met and you can start it now. A dashed line is an economic link, not a physical one — the step works without it.