The Dirty Bubble Challenge

Loosely Inspired by Spongebob's Dirty Bubble challenge, take the Dirty Bubble Challenge!  Withstand the unfair onslaught of Dirty Bubble's Bubble army and make Mermaid Man and Barnacle Boy Proud!  Instructions:  Click on the button to select a certain turret. Place it on any square that gets highlighted green...Oh and try not to die.