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