Here is the full list of all 40 Little Goody Two Shoes achievements.
Get an S rank on all chores.
Sacrifice Lebkuchen.
Sacrifice yourself for your beloved.
Find your way out of the Demon Woods.
Bear witness to Elise and Lebkuchen's fate.
Max out one relationship. The future seems bright for Elise and her beloved.
Attend the Walpurgis Festival.
Spend 500 tiffle.
Defeat the Aventesma.
Prevail against the Snake.
Divert the villagers' suspicions away from you.
Receive the Snake's curse.
Achieve five hearts with someone.
Prevail against the Crow.
Save Apfel from the Crow Woods.
Perish from low fullness.
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.
Sacrifice Rozenmarine.
Sacrifice Freya.
Bear witness to Elise and Rozenmarine's fate.
Bear witness to Elise and Freya'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.
Perish from low sanity.
Get tried for witchcraft.
Successfully bribe Muffy for a whole week.
Earn all achievements.