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