SteamWorld Build
28 Achievements
GOG
Digging a Hole
Repair the Mineshaft.
32.1%
How to unlock the Digging a Hole achievement in SteamWorld Build - Definitive Guide
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TrueAchievements
TrueAchievements
Story related. After gaining engineers, a mission to connect the mine to the roads and then repair it, will pop up. Completing it gives the achievement