Needs more levels! That last level was actually pretty challenging ;)
Grand Theft ATP
Steal ATP from the cells of a human been by using bacteria, you must defend against the white cells Macrophages and T-Cells, lucky you will get help of viruses that will weaken them.
Grand Theft ATP (GTA) is a strategy turn base game with 4 levels to complete, setup in an educational theme it tries to introduce you to Immune Systems and Cellular Biology.