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