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