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