Man, I love the concept of this game. I don't know if there's something I'm just not figuring out, though, but it just seems incredibly hard to me. I went through about five rounds, and I don't think I ever topped 80 points. Those yellow guys on the left get me almost every time unless I already have turrets on that side! Am I missing something that should be obvious?
I really, really wanted to like this one because everything else seems to be nicely put together, but the difficulty is just killing it for me.