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.
Leave the wolf to his fate.
Really get on a villager's nerves.
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
Play fetch with the dog until he is happy.
Finish Act II.
Attract the attention of the bandits three times without getting caught.
Free the wolf.
Enjoy your newfound freedom.
Finish Act I.
Make sure the bear is well fed.
Practice your throwing skills - left and right!