Full list of all 60 Letter Quest: Grimm's Journey Remastered achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Spell 5 eight-letter words
Fail to open 3 treasure chests
Earn 1000 book XP
Defeat 10 monsters in a single game in Endless Mode
Spell 60 words in a single game in Endless Mode
Deal 25000 damage
Spell 3 words with no vowels
Take 10000 damage
Spell 50 six-letter words
Earn 15000 gems
Use an entire row in one word 3 times
Use 500 corner letters
Spell 10 seven-letter words
Purchase 10 potions
Use 25 plague tiles
Open 10 treasure chests
Open a treasure chest with no incorrect guesses
Use 500 letters from the top row
Earn 29 stars
Deal 10000 damage
Spell a word containing two or more crystals
Spell a word that does zero damage
Leave a monster with only one health
Finish a stage with full health
Bust apart 100 gem piles.
Beat a stage with only 1 health remaining
Spell 1500 words
Spell 2500 words
Use 5000 letters
Spell 25 palindromes
Spell a word that contains two 'Y's
Spell 200 double-letter words (ex: 'bubble')
Swap all letters 50 times
Use 100 crystals
Fill the entire board with plague tiles
Fill the entire board with duplicator tiles
Defeat 250 monsters
Defeat 5 monsters with exact damage
Dodge 50 attacks
Do 100 critical attacks
Lose from taking tile damage
Spend 25000 gems
Purchase 30 upgrades
Purchase 5 books
Purchase 50 merchant items in battle
Complete 70 quests
Reach max level with one book
Earn 99 stars
Earn 120 stars
Use 2500 vowels
Earn 20 crystal stars
Earn 40 crystal stars
Spell the word BACON
Spell the word BANDITS
Defeat 100 monsters in Endless Mode
Spell 750 words in Endless Mode
Use 2500 letters in Endless Mode
Collect 2000 coins in Endless Mode
Purchase 100 merchant items in Endless Mode
Play 10 games of Endless Mode