Here is the full list of all 40 Little Goody Two Shoes achievements.
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.
Receive the Crow's curse.
Escape the Mari Lwyd's wrath.
Save Apfel from the Crow Woods.
Prevail against the Crow.
Receive the Snake's curse.
Divert the villagers' suspicions away from you.
Defeat the Aventesma.
Prevail against the Snake.
Attend the Walpurgis Festival.
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.
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.
Bring Rozenmarine along for a chore.
Achieve five hearts with someone.
Max out one relationship. The future seems bright for Elise and her beloved.
Perish from low fullness.
Perish from low sanity.
Get tried for witchcraft.
Cover for Rozenmarine.
Spend 500 tiffle.
Successfully bribe Muffy for a whole week.
Earn all achievements.