Letter Quest: Grimm's Journey Remastered

See "Open Sesame" achievement description. It's very possible this achievement won't unlock naturally while playing, especially if you're a good guesser and/or use a Hangman solver.

If you don't unlock this or want to get it out of the way, you can replay stage 4 over and over, purposely guessing letters such as Q, Z, X, V, Y, etc. This will use up all your guesses quickly. Repeat two more times to unlock the achievement.