No missable achievements (plus 15 unknown)
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Guide Wotan's drilling machine into the deep
Gaze into the Dark Eye
In the Scrapyard, find and talk to Matheson
In the Sleepless Sea, find and talk to Archer
Find the Full Bore Mining Company's missing miners
Collect all the gems in "Attic" in a single attempt without exiting the room. "Breaking" previously collected gems still counts.
Find all there is to find in Deep Delve
Win a race against your rival
Find all there is to find in Bhudevi
Deal with the so-called Dark Sun
Twelve pools guard the way to where others fled. Try to follow them.
Find all there is to find in Workings.
Find all there is to find in the Scrapyard
Find every Gem, Orb & Mystery and read all the Lore
View the credits with a completion percentage of 10% or less.