There seems to be far too much clicking for this to be an idle game. There should be some upgrades to the Queen to increase production of Larva as well as the workers and scouts.
So this game has stopped working on Chrome for me. It isn't the Unity player as I have played other Unity games on this site with Chrome. But this game will crash Chrome without ever loading.
Needs fixing. The enemies only provide $1 per kill, this should be amped up to reflect harder enemies. I agree with the above comments about lack of intuitive combat.
Later in the game, you can unlock the worker auto-produce colony and we're working on other auto-produce colonies.