Here is the full list of all 40 Little Goody Two Shoes achievements.
Succumb to the Witch's desire.
Attend the Walpurgis Festival.
Prevail against the Snake.
Defeat the Aventesma.
Spend 500 tiffle.
Divert the villagers' suspicions away from you.
Receive the Snake's curse.
Perish from low sanity.
Save Apfel from the Crow Woods.
Bring Rozenmarine along for a chore.
Escape the Mari Lwyd's wrath.
Receive the Crow's curse.
Cover for Rozenmarine.
Find the Basket in the Witch Woods.
Perish from low health.
Listen to the Old Hag's story.
Find a Golden Maiden.
Achieve one heart with someone.
Discover the "thief" inside the granary.
Prevail against the Crow.
Find your way out of the Demon Woods.
Sacrifice Rozenmarine.
Sacrifice Freya.
Sacrifice Lebkuchen.
Sacrifice yourself for your beloved.
Bear witness to Elise and Rozenmarine's fate.
Bear witness to Elise and Freya's fate.
Bear witness to Elise and Lebkuchen's fate.
Become one with Rozenmarine.
Watch Elise's final punishment.
Uncover Father Hans' sinister plot.
Watch all endings.
Uncover the truth of the Golden Maidens.
Get an S rank on all chores.
Achieve five hearts with someone.
Max out one relationship. The future seems bright for Elise and her beloved.
Perish from low fullness.
Get tried for witchcraft.
Successfully bribe Muffy for a whole week.
Earn all achievements.