Here is the full list of all 40 Little Goody Two Shoes achievements.
Become one with Rozenmarine.
Attend the Walpurgis Festival.
Prevail against the Snake.
Defeat the Aventesma.
Divert the villagers' suspicions away from you.
Bring Rozenmarine along for a chore.
Receive the Snake's curse.
Prevail against the Crow.
Save Apfel from the Crow Woods.
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.
Perish from low fullness.
Listen to the Old Hag's story.
Find a Golden Maiden.
Achieve one heart with someone.
Discover the "thief" inside the granary.
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.
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.
Achieve five hearts with someone.
Max out one relationship. The future seems bright for Elise and her beloved.
Perish from low sanity.
Get tried for witchcraft.
Spend 500 tiffle.
Successfully bribe Muffy for a whole week.
Earn all achievements.