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