Here is the full list of all 18 A Juggler's Tale achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
Finish Act III
Attract the attention of the bandits three times without getting caught.
Really get on a villager's nerves.
Finish Act II.
Free the wolf.
Finish Act I.
Practice your throwing skills - left and right!
Make sure the bear is well fed.
Enjoy your newfound freedom.
Leave the wolf to his fate.
Play through Act II without falling into the water.
Play fetch with the dog until he is happy.
Riot on the stage of the fourth act.
Annoy Tonda and the bandits.
A few more barrels than necessary....
Free Tonda from a thread.
Finish Act IV.
Finish Act V.