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
Electrocute the doctor three times
The Itwork computer crashes
Beat the Troll mini-game!
Return what you stole
Kotrem is no longer divorced
Win against the Snail five times
Beat the Toader mini-game!
Find the Twin's favorite doll
Reunite with your best friend
Beat the Maze mini-game!
Burning rope
Make the Guard fall asleep
Afuga Merzenis
Cake and sweet craving
Give the robot rabbit three carrots
Light the candles
Find the picture behind the door