Here is the full list of all 20 Wizorb achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Complete the game on hard difficulty.
Earn 50 000 GP.
Have all 5 charms active simultaneously.
Buy the jewel crown.
Earn a star for every World.
Kill 5 slimes in a row without hitting the orb with the magic wand.
Complete a level without hitting the orb with the magic wand.
Complete a level after the magic wand was destroyed.
Drink a pint without losing an orb.
Bounce the orb 50 times with the magic wand without breaking anything.
Found all missing children.
The orb bounces for 45 seconds before coming back to the magic wand.
Complete a bonus level without bursting a bubble.
Completely rebuild Tarot village.
Defeat the Devil King.
Defeat the Devil King before rebuilding anything.
Defeat Grim Reaper.
Defeat Gorgon Eye.
Defeat Daddy Slime.
Defeat the Werewolf.