for anyone who doesn't know crew is neccesary to generate AP attacking the crew absolutely destroys a ships AP so if a tough opponent appears go for the crew ;) hope this helps
oh... wait... after 30 minutes of watching the battle the predators were wiped out, then after another 10 minutes the herbivores were wiped out by the slow plant growth and the viruses, then obviously the viruses died out with no prey to attack
i thought this game was going to dissapoint me with the comments being mostly negative, but this game was very fun and it actually required thought on how to place the units to succesfuly defend. (the squad tactics area was so in depth i forgot to buy a gun or any attachements until i had all four unit types fully upgraded with the additions on the right fully upgraded as well maning i went from the desert eagle straight to the best sniper rifle.
@makweb actually your method (i learnt about it earlier but i noticed your comment just now) has gotten me a score of 21.6 and it is steadily increasing :)