Level 18 – try to shoot straight up

Starting Bubbles: 25 
Recommended Potions: You don’t need any Potions 
Points needed for 1, 2, 3 Star: 35 000, 60 000, 100 000 
Special bubbles: black bubble-is-hard-as-rock Black Bubbles 

The easiest way to score great on level 18 is to burst bubbles just in the middle until you get the free nine spaces in the ceiling.

Here is a video walkthrough for lvl 18 brought to us by hbyde