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
Clear out Hornsbie's
Reach Jail without buying anything
Go around again
See the end
Deal more than 500 damage in a single hit
Find a Secret Collect
Move to a new area
Recruit a Monster
Pass through Hell
Detonate a Crate Bomb with no crates