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.
See the end
Receive Agneti's gift
Deal more than 500 damage in a single hit
Move to a new area
Clear out Hornsbie's
Recruit a Monster
Find a Secret Collect
Go around again
Pass through Hell
Detonate a Crate Bomb with no crates
Reach Jail without buying anything
Reach 800 meters in the Gallery