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