Here is the full list of all 50 Deaths Hangover achievements.
Defeat the Church boss!
Free this soul in the Church!
Defeat the Gallery boss!
Defeat the Arena boss!
Defeat the Halls boss!
Free this soul in the Halls!
Defeat the Aquaduct boss!
Defeat the Monestary boss!
Free this soul in the Monestary!
Defeat the Catacombs boss!
Free this soul in the catacombs!
Defeat the dungeon boss!
Free this soul in the dungeon!
Defeat the S**tway boss!
Defeat the Boiler boss!
Defeat the Armoury boss!
Defeat the Chambers boss!
Free this soul in the s**tway!
Free this soul in the Aquaduct!
Free this soul at the Furnace!
Free this soul at the Arena!
Free this soul in the Armoury!
Free this soul at the Gallery!