If you've got some coding skills and some art skills then I'd suggest you think about working in the computer games industry where these things tend to collide. You'll probably need some maths but you could probably study that. I don't think it's just you. When I was 20 I had a really hard time knowing what I was going to do next (in fact, when I was about 22 I had a real crisis about how I was going to get through t…
though with being somewhat good at both you can go the indie route.