Here is the full list of all 31 Peace, Death! 2 achievements.
Complete a level 10 catastrophe in less than 40 seconds and successfully make it through the level.
Complete any level 10 catastrophe and successfully make it through the level.
Become co-founder of the Order of the Honest and Valiant.
Complete 3 legendary contracts.
Complete 9 uncommon contracts.
Complete each catastrophe at least once.
Complete a level with four Warlock imps around you.
Complete a level with at least one Parasite present.
Complete 12 common contracts.
Become head of the Reapers Union.
Become head of the Reapers Union and complete every Union member's quests.
Complete 5 quests given by Pestilence.
Fully complete the quest centered on the Concierge.
Fully complete the quest centered on the Paymaster.
Fully complete the quest centered on the Bureaucrat.
Fully complete the quest centered on the Mechanic.
Sort a Sumoman correctly after he generates new signs.
Sort a Sufferer correctly while he has more than 10 signs.
Fully complete the quest centered on the Apostate.
Buy 20 Blue Hearts
Sort a Pirate correctly while all his chests are closed.
Sort a Croupier correctly after he uses up all his cards.
Fully complete the quest centered on the Coffeeman.
Complete 5 quests given by War.
Complete 6 epic contracts.
Complete 5 quests given by Famine.
Complete 5 quests given by Death.
Pass three inspections from the Bureaucrat in one level.
Fully complete the quest centered on the Scientist.
Sort a Murderer correctly at the very last moment before he attacks.
Sort a Monster Hunter correctly while there are three or more monsters on a level.