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