Here is the full list of all 38 Sweet Science – The Girls of Silversee Castle achievements.
Decipher Patti's notes
Join the physics class
Reach the neutral ending with Sylvia
Reach the good ending with Sylvia
Discover the mysterious ruins
Skip classes with Sylvia
Reach the final bad ending
Reach the good ending with Azuki
Is it a bird? Is it a plane? No, it's a UFO!
Take a perfect photo
Find all constellations
Liberate the world from the evil
Know the scifi author
Talk your way through Sylvia's exhibition
Join the astronomy class
Go back in time
Meet Patti
Meet Marie
Meet Azuki
Meet Sylvia
Reach the neutral ending with Marie
Reach the neutral ending with Azuki
Reach the neutral ending with Patti
Reach the good ending with Marie
Reach the good ending with Patti
Max out the Europe map
Prove the first mathematical result
Prove the second mathematical result
Prove the third mathematical result
Ace the gracious tree game
Solve the tetrahedron puzzle
Defeat Marie or Sylvia on 9x9
Ace the Go quiz
Defeat Marie on 19x19
Travel through time without accident
Discover the fireflies
Join the math class
Survive the attack of the hairy monster