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