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