Here is the full list of all 52 A Midsummer Night's Choice achievements.
You overheard all of Father's meeting.
A disease has been cured.
You reek of pickle juice.
You were wounded while trying to escape.
You performed in a comedy.
You performed in a tragedy.
You performed in a play of mixed genre.
You chose Morgan as your co-star.
You chose Prenzie as your co-star.
You chose the Maroon Knight as your co-star.
You took a dart for a friend.
You tried, and failed, to be gallant.
You chose to do nothing as a vicious blow was struck.
War looms in Upper Fogsworth's future.
You have a fairy on a string.
You are a turncoat.
You failed to give yourself a proper alias three times.
You fought a mighty duel.
You were inaccurate in your mockery.
You made the simple forest creatures weep.
You tamed a savage bear.
You lost an insult duel while dressed as a milkmaid.
You disrespectfully refused to pledge fealty to a magical monarch and lived to tell the tale.
You fully resisted an enchantment.
You revealed more of yourself than you intended.
You accidentally survived being executed.
You swooned every time it was possible to swoon.
You were transformed against your will.
You helped some friends find true love.
You plan to rescue Morgan from the oubliette.
Piccolita is your love, and she is perfect just as she is.
Piccolita is your love, and together, you will fly.
Together with your love Morgan, you have unified Upper and Lower Fogsworth.
It took a long journey for you and Prenzie to find each other.
You and Penderghast wed for the good of the duchy.
You write the end of your own story on your own terms.
You and Piccolita will remain friends.
You and the Maroon Knight have, most unexpectedly, found love.
You managed to seduce yourself.