Here is the full list of all 12 You Must Build A Boat achievements. It takes around 25-30 hours to unlock all of the achievements on Windows.
Receive Agneti's gift
Reach 800 meters in the Gallery
Reach Jail without buying anything
Go around again
See the end
Deal more than 500 damage in a single hit
Clear out Hornsbie's
Pass through Hell
Detonate a Crate Bomb with no crates
Find a Secret Collect
Recruit a Monster
Move to a new area