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