Bad Brewing WebGL

~ Story: ~
In this game you are a Junior Magician who tries to brew a magic potion, but fails and unleashes some ghosts into the world - which is very bad news. 
You have to ban the ghosts back into the potion. 

~ Goal: ~
Catch as many of the ghosts as possible , by casting spells (left mouse click) 

~ Constraint: ~
Only ghosts who fit the current criteria of the potion can be caught.