Here is the full list of all 15 Full Bore achievements.
Gaze into the Dark Eye
Guide Wotan's drilling machine into the deep
In the Sleepless Sea, find and talk to Archer
In the Scrapyard, find and talk to Matheson
Find all there is to find in Workings.
Find all there is to find in Deep Delve
Find all there is to find in Bhudevi
Find all there is to find in the Scrapyard
Win a race against your rival
Collect all the gems in "Attic" in a single attempt without exiting the room. "Breaking" previously collected gems still counts.
View the credits with a completion percentage of 10% or less.
Find the Full Bore Mining Company's missing miners
Deal with the so-called Dark Sun
Twelve pools guard the way to where others fled. Try to follow them.
Find every Gem, Orb & Mystery and read all the Lore