Sometimes during runtime you'll find that a camera will get skipped when there's no reason for it to. I don't know why it does this, but the way to fix it is to group all of your cameras and triggers together, save, delete the group, update entities build, undo to undelete them, and then update entities again. The missing camera will magically work again. It did it to me when I was creating the demo and that was the first time it had happened in quite some time.