I used to play this on our NES, classic game!
just had a quick go,
got up to round 6 scored 35250 points
Tis a classic indeed. I still have my NES with Duck Hunt kicking around somewhere
If you want me to make you a sig then pm me with pics.
You can check out my work here http://lufcguernsey.brinkster.net/forumsigs.htm