Here is the full list of all 18 Fran Bow achievements. It takes around 10-12 hours to unlock all of the achievements on Windows.
Finish Fran Bow
Beat the Troll mini-game!
Return what you stole
Kotrem is no longer divorced
Beat the Toader mini-game!
Reunite with your best friend
Beat the Maze mini-game!
Burning rope
Make the Guard fall asleep
Find the Twin's favorite doll
Win against the Snail five times
Afuga Merzenis
The Itwork computer crashes
Electrocute the doctor three times
Cake and sweet craving
Give the robot rabbit three carrots
Light the candles
Find the picture behind the door