Thanks for the awesome feedback.
Did you end up beating the game? The objective was to shoot the present. I tried to make that clear in the tutorial, but perhaps I needed to be crazy explicit :D my wife had similar confusion and I modified it, perhaps it wasnt enough. The progress is what the top bar tracks.
For the other points, UI was designed for 1080. I'd love to get to a place where I support other resolutions better, will work on that next time. As far as npc general health and feedback - noted. Opted to focus on other areas, but definitely agree it would help general gameplay feedback.