Finish Act IV.

A few more barrels than necessary....

Riot on the stage of the fourth act.

Attract the attention of the bandits three times without getting caught.

Play fetch with the dog until he is happy.

Play through Act II without falling into the water.

Make sure the bear is well fed.

Finish Act I.

Help the Majin out when he's in trouble 30 times.

Sadist.

Wow. Much win.

You unlocked the final world. Praise be unto the cubes.