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.
Complete a level after the magic wand was destroyed.
Have all 5 charms active simultaneously.
Found all missing children.
Buy the jewel crown.
Earn 50 000 GP.
Complete a bonus level without bursting a bubble.
Complete a level without hitting the orb with the magic wand.
Earn a star for every World.
Defeat the Devil King.
Bounce the orb 50 times with the magic wand without breaking anything.
Defeat the Devil King before rebuilding anything.
Drink a pint without losing an orb.
Kill 5 slimes in a row without hitting the orb with the magic wand.
Defeat Grim Reaper.
Completely rebuild Tarot village.
Defeat Gorgon Eye.
Defeat Daddy Slime.
Defeat the Werewolf.
The orb bounces for 45 seconds before coming back to the magic wand.