Branch and cost
Branch
Column
Red points
Green points
Blue points
Total points
Unlocks
Reputation
In the tree
Research cost
120Red points
25Blue points
What it unlocks
Research first
How it becomes available
- Clearing both Old Mine blockages (the Quarry entrance with 1 Dynamite and the passage from the Factory with 4 Building Kit I and 1 Reinforced Beam)Revealed by: Story