Here is the full list of all 30 Syberia: The World Before achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Get on board for a new destination.
Achieve all your secondary goals.
Retrieve Dana's letter from the automaton.
Report Leni… then try to justify your actions years later.
Choose one of Leon's paintings and see it years later with Dana.
Find the poster of the super resistant.
Leave the cemetery.
Find all the points of interest in the cemetery.
Leave Misty Bridge with Colonel Blake.
Fill the water bottle before leaving base camp.
Find all the photos in the Roze's home.
Leave the Musicians District.
Try to call a number from one of the previous games at the Academy of Music.
Look at Dana's drawing in the cement with Kate.
Find Oscar again.
Leave the Flower District again.
Achieve half of your secondary goals.
Find all the copies of a literary classic.
Search all possible terms you can on the computer.
Leave the Silberspiegel refuge.
Do not report Leni to Junta.
Take all the photos you can with the telescope.
Choose a painting for Herr Gustav.
Leave the Antiques District.
Leave the Flower District.
Try to listen to the other guest's phone conversation.
Empty your email account.
Get out of the mine.
Achieve your first secondary goal.
Draw something for the bookseller in the wet cement.