Virus Fighter

Nano-fighters set off! He will help the human being suffering from ill health, the eradication of the world's most dangerous diseases. 
Come on! Together with the guard cells against all kinds of crazy virus. 
 
Game Feature 
-18 particular virus enemies 
-3 need to protect the scene 
-repeated challenge barriers to strive for higher scores 
 
How to Play 
-Left arrow keys to control the movement of the upper and lower left 
-Right arrow keys will allow 360-degree rotation in guard cells, and fired a bullet