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