Here is the full list of all 40 Violet achievements.
Start a New Story
Find a light source.
Find all documents.
Find all collectibles.
Unlock all the 7 endings available.
Unlock all the outfits available.
Unlock all the achievements available.
Illusion Ending
Yumi Ending
Violet Ending
Careless Ending
Althenea Ending
Ankhesenpaaten Ending
Leave Ending
Get a 10 stars Rank.
Get a Good Rank.
Defeat Daniella or Althenea with a Plasma Orb.
Defeat any enemy by just waiting.
Save the game for the first time.
Finish the game for the first time.
Finish the game using only the plasma.
Craft all the available formulas.
Heal yourself for the first time.
Defeat the First Boss.
Defeat the Final Boss
Find Richard at the Forest with Daniella.
With Daniella, go to the Cellar instead of the Storage.
Kick your first Vase.
Throw your first Bottle or Orb
As Hisoka, Interact with the Bear.
As Hisoka, Interact with any Plastic Heart.
Finish the game with less than two hours.
Refuse to Leave at Fumihiro's Car.
Finish the game without manual healing.
Talk to a Strange Person.
Talk to a Friendly Person
Save Hisoka without talking to her.
Defeat the First Boss with Hisoka Ayumi.
Defeat the First Boss with Fumihiro Akio.
Finish the game without saving.