Here is the full list of all 53 Dicey Dungeons achievements. It takes around 35-40 hours to unlock all of the achievements on Windows.
Complete all six bonus round episodes in hard mode.
Complete any five bonus round episodes in hard mode.
Use the same gadget three times in one turn.
Have max health of 64 or higher.
Lock all enemy dice.
Use your limit break twice in one turn.
Complete an episode as Witch with four prepared slots.
Do 12 or more damage in one turn by throwing dice.
Defeat a boss with four or more battle axes equipped.
Complete any four bonus round episodes in hard mode.
Use the Dragon's Tooth.
Become a furry dice.
Stack 30 or more total Poison on an enemy at once.
Defeat Lady Luck.
Complete all six parallel universe episodes.
Complete all 36 regular episodes.
Complete all six elimination round episodes.
Complete any five parallel universe episodes.
Hatch an egg.
Complete any five elimination round episodes.
Complete any four parallel universe episodes.
Complete any four elimination round episodes.
Complete any three bonus round episodes in hard mode.
Complete any three parallel universe episodes.
Complete any three elimination round episodes.
Complete the episode named "The Inevitability of Rust".
Inflict 5 or more Shock in a single turn.
Complete the episode named "Losers, Weepers".
Inflict 5 or more Freeze in a single turn.
Roll 10 ones in a row.
Complete any two bonus round episodes in hard mode.
Complete the episode named "Countdown".
Do more than 40 damage in a single attack.
Complete any two parallel universe episodes.
Complete any two elimination round episodes.
Defeat a boss with full health.
Complete any 12 episodes.
Complete the episode named "You Choose, You Lose".
Use a Finale card.
Complete any bonus round episode in hard mode.
Complete all six episodes for any one contestant.
Complete any parallel universe episode.
Complete any elimination round episode.
Complete any 9 episodes.
Stack 10 or more total Poison on an enemy at once.
Complete the episode named "Finders Keepers".
Complete any 6 episodes.
Do more than 20 damage in one turn with Dagger.
Complete the episode named "Curse of Greed".
Unlock episodes.
Inflict 5 or more Burn in a single turn.
Defeat an enemy on your first turn.