Problem of the Week - The Great Green Globs Challenge

What is the highest score you can get for this array of Globs? (Record your game like the example below.)

Preliminaries:
1. Play the game "Turtle Hunt" to learn about where Globs "live".
2. Learn to shoot in the Globs game with such equations as y=1, x=3, y=-2, and so on. Practice by playing several games. 

Software needs:
Microworlds Pro (File: globhunt.mw2)
Green Globs (File: GG/games 1, 2, 3)

Example: 

Can you do better than 19 points?