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