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