Thanks for all the replies. I have a renewed enthusiasm. I'll try again now that I know that it is possible.
It's hard to find a good games these days. I'll only play if I can find a good one.
Call of Duty was too easy and I finished with a week and a half. What a joke. Took me months to get through Duke Nukem years ago and Will Rock, but anyway, we're not here to talk about those.