Thanks for the feedback! Your right, i should of added the same shadow on the title screen or a background. I'll definitely add that in an update! But for not being able to grab them, I'm not too sure. I was having a bug in development where the civilians were bouncing between their closest targets so you couldn't eat them. I thought I'd fixed it, but maybe i was wrong. But in terms of gameplay, make sure your making contact when clicking (pinning them against a wall tends to help).
Hopefully that helps, I'll look into it as a bug as well. Sorry you couldn't enjoy the whole thing, thanks for giving it a try though!